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Trig Functions

Name ___________________________

Date

___________________________

EXAS

NSTRUMENTS

NCORPORATED

TI-30X

S: A Guide for Teachers

Problems

1. Find the trigonometric ratios for the triangle. Round to the nearest

hundredth. (Use

‚

for rounding.)

a. sin

_______________________

b. cos

_______________________

c. tan

_______________________

d. sin

_______________________

e. cos

_______________________

tan

_______________________

2. Using the TI-30X

S, find the value of each ratio. Round to the nearest ten

thousandth.

a. sin 71º

_______________________

b. tan 31º

_______________________

c. cos 25º

_______________________

3. Using the TI-30X

S, find the measure of each angle. Round to the nearest

degree.

a. sin

= 0.4567

_______________________

b. cos

=0.6758

_______________________

c. tan

= 5.83

_______________________

Содержание -30XIIS - Handheld Scienfic Calculator

Страница 1: ...Front 11 8 5 TI 30X II...

Страница 2: ...TI 30X S A Guide for Teachers Developed by Texas Instruments Incorporated Activities developed by Gary Hanson and Aletha Paskett Illustrated by Jay Garrison...

Страница 3: ...om those described in these materials Permission To Reprint or Photocopy Permission is hereby granted to teachers to reprint or photocopy in classroom workshop or seminar quantities the pages or sheet...

Страница 4: ...examples of practical applications of the key s being discussed The key s being discussed are circled on the TI 30X S keyboard Things to Keep in Mind While many of the examples on the transparency ma...

Страница 5: ...ore change the result 2nd Functions Pressing displays the 2nd indicator and then accesses the function printed above the next key pressed For example b 25 E calculates the square root of 25 and return...

Страница 6: ...notation floating decimal and degree DEG mode Clears memory variables pending operations entries in history statistical data constants and Ans Last Answer Note The examples on the transparency master...

Страница 7: ...Clear Insert and Delete 33 3 Basic Math 36 4 Order of Operations and Parentheses 40 5 Constant 43 6 Decimals and Decimal Places 45 7 Memory 47 8 Fractions 52 9 Pi 58 How to Use the TI 30X S Continued...

Страница 8: ...30X S A Guide for Teachers 1 The Better Batter The FIX Key 2 Star Voyage Scientific Notation 6 Trig Functions 10 What s My Score 1 Variable Statistics 14 Heart Rates 1 Variable Statistics 17 WNBA Sta...

Страница 9: ...he following numbers to 4 decimal places using the TI 30X S a 4 39865 4 3987 b 72 965912 72 9659 c 0 29516 0 2952 d 0 00395 0 0040 Activity Present the following problem to students You are going to p...

Страница 10: ...ett 119 363 0 328 Molitor 119 364 0 327 Greenwell 104 334 0 311 Tartabull 103 311 0 331 Palmeiro 120 366 0 328 Franco 109 344 0 317 Joyner 105 338 0 311 Boggs 106 329 0 322 Baines 91 290 0 314 Sax 113...

Страница 11: ...ide for Teachers 4 Problems 1 Round the following numbers to 3 decimal places a 2 35647 _________________ b 15 3633 _________________ c 0 02698 _________________ 2 Using the TI 30X S round the followi...

Страница 12: ...of Hits Number of Times at Bat Batting Average rounded to 3 decimal places C Ripken 122 368 Puckett 119 363 Molitor 119 364 Greenwell 104 334 Tartabull 103 311 Palmeiro 120 366 Franco 109 344 Joyner...

Страница 13: ...0 9 3 Q 107 b 384 000 000 000 3 84 Q 1011 c 0 00000000000234 2 34 Q 10 12 d 0 0000000157 1 57 Q 10 8 2 Have students change the following numbers into scientific notation using the TI 30X S a 12 000 0...

Страница 14: ...Centauri on time Procedure 1 Using the TI 30X S find the total distance you need to travel 2 5 Q 1013 9 3 Q 107 2 5000093 Q 1013 miles 2 Next find out how long it will take you to travel the distance...

Страница 15: ...d 0 0000000157 _________________________ 2 Using the TI 30X S change the following numbers into scientific notation Standard Notation Scientific Notation a 12 000 000 _________________________ b 974...

Страница 16: ...cedure 1 Using the TI 30X S find the total distance that you need to travel _________________________________________________________________ Hint Make sure your calculator is in scientific notation m...

Страница 17: ...if necessary Use for rounding a sin C 3 5 0 60 b cos C 4 5 0 80 c tan C 3 4 0 75 d sin A 4 5 0 80 e cos A 3 5 0 60 f tan A 4 3 1 33 To set 2 decimal places 1 Press F0123456789 2 Press 2 to select 2 d...

Страница 18: ...he ramp Procedure 1 Make a drawing of the problem 1 5 ft A 20 ft 2 Use the trigonometric ratio tan opposite leg adjacent leg to find angle A Angle A is 4 3 degrees rounded to the nearest tenth Yes the...

Страница 19: ...c tan C _______________________ d sin A _______________________ e cos A _______________________ f tan A _______________________ 2 Using the TI 30X S find the value of each ratio Round to the nearest t...

Страница 20: ...nce from the street to the door is 20 feet Is there enough room to build the ramp Procedure 1 Make a drawing of the problem 2 Use the trigonometric ratio tan opposite leg adjacent leg to find angle A...

Страница 21: ...ts for one quarter wins Your scores are 98 89 78 98 and 100 Your friend s scores are 89 89 97 90 and 100 Who is the winner Procedure 1 Have students find the average of their scores using the TI 30X S...

Страница 22: ...page 4 When finished press u to select v the average Write it down n v Sx sx 93 0 Extension Present the following problem to students Your friend took a test on the day you were absent and scored 95 W...

Страница 23: ...average on their math tests for one quarter wins Your scores are 98 89 78 98 and 100 Your friend s scores are 89 89 97 90 and 100 Who is the winner Your average _______________________ Your friend s...

Страница 24: ...me for 10 seconds and then multiply by 6 but this could be the quietest minute of your day 2 Collect data on the chart Enter each student s heart rate and a mark in the frequency column As other stude...

Страница 25: ...qual the total number of student sampled 2 Press to to see the average heart rate n Sx x 62 3 Press to x x x 2 1370 Note The numbers show the results for the example described above Your students resu...

Страница 26: ...ers 19 Problem What do you think the average heart rate is for someone your age What about after exercising Procedure 1 Use this table to record your class or group data resting Heartbeats per minute...

Страница 27: ...EXAS INSTRUMENTS INCORPORATED TI 30X S A Guide for Teachers 20 4 Use this table to record your class or group data running Heartbeats per minute running Frequency 5 What is the class group average ___...

Страница 28: ...ping Frequency 8 What is the class group average __________________________________ 9 What is the total number of heartbeats for the minute _________________ 10 How fit is the class __________________...

Страница 29: ...w are the histograms the same How are they different _____________ _________________________________________________________________ _________________________________________________________________ 1...

Страница 30: ...es Do you think it is related to how many rebounds a player gets Or is it related to the player s field goal percentage Procedure 1 Put the calculator in STAT mode and choose 2 VAR statistics 1 Press...

Страница 31: ...o n Sx x 21 59 4 Press to x Sy y x 112 00 4 The form of the equation is y ax b Write the equation for the line of best fit round to the nearest hundredth 1 56x 7 02 5 The closer the correlation coeffi...

Страница 32: ...x x 12 00 2 Press to x x y 3 Press 4 Type 35 E and press x 35 17 92 Extension Now have students use the calculator to investigate the correlation of the other data in the chart such as the relation of...

Страница 33: ...to explore the relationships of different pairs of data Begin by entering the points per game as the X variable and the minutes per game as the Y variable Player Field Goal Percentage Points per Game...

Страница 34: ...ou have already entered the minutes per game in Y you only need to enter the new data in X 1 What is the average field goal percentage 2 Write the equation for the line of best fit 3 Write the correla...

Страница 35: ...er of Operations and Parentheses 40 Constant 43 Decimals and Decimal Places 45 Memory 47 Fractions 52 Pi 58 Powers Roots and Reciprocals 6 1 Probability 68 Statistics 75 Trigonometry 8 1 Notation 88 L...

Страница 36: ...reen without resetting the calculator Press when Y yes is underlined to reset the calculator The message MEM CLEARED is displayed Note Pressing and simultaneously resets the calculator immediately No...

Страница 37: ...N 23 Change 46 to 41 Change 23 to 26 and complete the operation Enter 81 57 and complete the operation Scroll to see your previous entries Press Display 46 U 23 46 23 46 23 DEG 1 6 41 26 41 26 15 15 D...

Страница 38: ...culator Press Display RESET RESET N Y N Y DEG RESET RESET N Y N Y DEG MEM CLEARED MEM CLEARED DEG DEG Pressing and at the same time also resets the calculator immediately No menu or message is display...

Страница 39: ...1999 TEXAS INSTRUMENTS INCORPORATED TI 30X S A Guide for Teachers 32 Use Last Answer Ans to calculate 2 2 2 Press Display 2 T 2 2 2 2 2 4 4 DEG F An Ans s2 2 16 16 DEG Last Answer Ans...

Страница 40: ...insert a character at the cursor 3 J deletes the character at the cursor Hold J down to delete all characters to the right Then each time you press J it deletes 1 character to the left of the cursor...

Страница 41: ...0X S A Guide for Teachers 34 Enter 4569 285 and then change it to 459 2865 Complete the problem J Press Display 4569 T 285 4569 285 4569 285 DEG J 459 285 459 285 DEG 6 459 2865 459 2865 DEG 459 2865...

Страница 42: ...1999 TEXAS INSTRUMENTS INCORPORATED TI 30X S A Guide for Teachers 35 Enter 21595 Clear the 95 Clear the entry Press Display 21595 21595 21595 DEG Clear to right 215 215 DEG Clear entry DEG Clear...

Страница 43: ...nd 6 M lets you enter a negative number 7 _ changes a real number to a percent Notes The examples on the transparency masters assume all default settings The TI 30X S allows implied multiplication Exa...

Страница 44: ...uide for Teachers 37 Find 2 54 6 16 x 21 78 P 2 12 x 5 6 T U V W Press Display 2 T 54 U 6 2 54 6 2 54 6 50 50 DEG 16 V 21 16 16 21 21 336 336 DEG 78 W 2 78 2 78 2 39 39 DEG 12 V D 5 T 6 E 12 12 5 6 5...

Страница 45: ...PORATED TI 30X S A Guide for Teachers 38 The temperature in Utah was L3 C at 6 00 a m By 10 00 a m the temperature had risen 12 C What was the temperature at 10 00 a m M Press Display M 3 T 12 L3 12 3...

Страница 46: ...XAS INSTRUMENTS INCORPORATED TI 30X S A Guide for Teachers 39 Mike makes 80 per week He saves 15 of his earnings How much does Mike save per week Press Display 15 15 15 DEG V 80 15 15 80 80 12 12 DEG...

Страница 47: ...ransparency masters assume all default settings The transparency master showing the Equation Operating System EOSTM demonstrates the order in which the TI 30X S completes calculations Operations insid...

Страница 48: ...tems 3 Functions entered after the expression such as F and angle unit modifiers r g 4 Fractions 5 Exponentiation G and roots 6 Negation M 7 Permutations nPr and combinations nCr 8 Multiplication impl...

Страница 49: ...99 TEXAS INSTRUMENTS INCORPORATED TI 30X S A Guide for Teachers 42 1 2 x 3 T V D E Press Display 1 T 2 V 3 1 2 3 1 2 3 7 7 DEG 1 2 x 3 Press Display D 1 T 2 E V 3 1 2 1 2 3 3 9 9 DEG Order of Operatio...

Страница 50: ...To enter a constant 1 Press l If a constant is already stored press to clear it 2 Enter your constant any set of operations functions and values 3 Press to turn on the constant mode K appears in the...

Страница 51: ...hour First person works 16 hours Second person works 12 hours Third person works 17 hours How much did each person earn Press Display K K DEG V 3 25 K 3 25 K 3 25 DEG K DEG K 16 16 3 16 3 25 25 52 52...

Страница 52: ...r of decimal places selected For example when the decimal is set to 2 places 0 147 becomes 0 15 when you press The TI 30X S also rounds or pads resulting values with trailing zeros to fit the selected...

Страница 53: ...place and then cancel the FIX setting 8 Press Display 12 8 345 12 345 12 345 DEG F F 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 _ _ DEG F F 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 _ _ DEG 12 345 12 345 F...

Страница 54: ...3 clears all variables 4 h displays the following menu of variables A B C D E Lets you view the stored value before pasting it to the display Notes The examples on the transparency masters assume all...

Страница 55: ...e final average Lz Press Display 96 T 76 T 85 96 76 85 96 76 85 257 257 DEG W 3 Ans 3 Ans 3 85 66666667 85 66666667 DEG L Ans Ans A A 85 66666667 85 66666667 DEG 92 T 83 T 97 T 86 92 83 97 86 92 83 97...

Страница 56: ...7 98 or 4 cassette tapes for 9 48 L Press Display 7 8 98 W 3 7 98 3 7 98 3 2 66 2 66 DEG L Ans Ans A A 2 66 2 66 DEG 9 848 W 4 9 48 4 9 48 4 2 37 2 37 DEG L Ans Ans B B 2 37 2 37 DEG View the first p...

Страница 57: ...98ea B ties 3 7 98 ea C belt 1 6 98 suspenders 1 9 98 How much did you spend at each shop and how much did you spend altogether L Press Display 2 V 13 8 98 2 13 2 13 98 98 27 96 27 96 DEG L A B C D E...

Страница 58: ...de for Teachers 51 Press Display L L Ans Ans B B 23 94 23 94 DEG 6 8 98 T 9 8 98 6 6 98 9 98 9 98 98 16 96 16 96 DEG L Ans Ans C C 16 96 16 96 DEG T 27 27 96 96 DEG T 96 23 96 23 94 94 DEG 27 27 96 23...

Страница 59: ...er a fraction or mixed number anywhere you can enter a decimal value You can use fractions and decimals together in a calculation Fractional results and entries are automatically reduced to their lowe...

Страница 60: ...NCORPORATED TI 30X S A Guide for Teachers 53 At the party you ate 5 6 of the pepperoni pizza and 1 10 of the sausage pizza How much pizza did you eat N Press Display 5 N 6 T 1 N 10 5 5 6 1 6 1 10 10 1...

Страница 61: ...ED TI 30X S A Guide for Teachers 54 A baby weighed 4 3 8 pounds at birth In the next 6 months she gained 2 3 4 pounds How much does she weigh N Press Display 4 N 3 N 8 T 2 N 3 N 4 4 4 3 3 8 2 8 2 3 3...

Страница 62: ...measuring cup To find out how many times Sam must use his measuring cup change the mixed number to a fraction 3 1 2 1 2 7 Press Display 3 N 1 N 2 3 3 1 1 2 2 DEG 3 3 1 1 2 2 A A b b c c d d e e DEG 3...

Страница 63: ...e for Teachers 56 Juan swims 20 laps in 5 72 minutes Mary swims 20 laps in 5 3 4 minutes Change Mary s time to a decimal to determine who swims faster Press Display 5 N 3 N 4 5 5 3 3 4 4 F F D D DEG 5...

Страница 64: ...1999 TEXAS INSTRUMENTS INCORPORATED TI 30X S A Guide for Teachers 57 Change 2 25 to its fractional equivalent Press Display 2 8 25 2 25 2 25 F F D D 2 2 1 4 1 4 DEG Decimal to Fraction...

Страница 65: ...sparency masters assume all default settings Internally pi is stored to 13 digits 3 141592653590 After pressing you can select the number of decimal places in 2 ways Press or to move to the number of...

Страница 66: ...A Guide for Teachers 59 Use this formula to find the amount of border you need if you want to put a circular border all the way around the tree g Press Display 2 V g V 1 5 2 2 p 1 5 1 5 9 424777961 9...

Страница 67: ...wn would be covered by the sprinkler Round your answer to the nearest whole number and then return to floating decimal mode g Press Display g V 4 F p 4 42 2 50 26548246 50 26548246 DEG F F 0 1 2 3 4 5...

Страница 68: ...amples on the transparency masters assume all default settings To use G enter the base press G and then enter the exponent The base or mantissa and the exponent may be either positive or negative Refe...

Страница 69: ...0X S A Guide for Teachers 62 Use this formula to find the size of the tarpaulin needed to cover the entire baseball infield A x2 27 42 FG Press Display 27 4 F or 27 4 27 42 2 750 76 750 76 DEG 27 4 G...

Страница 70: ...Teachers 63 Use this formula to find the length of the side of a square clubhouse if 3m2 of carpet would cover the floor Round your answer to 0 decimal places L x 3 Press Display 3 E 3 3 1 732050808 1...

Страница 71: ...A Guide for Teachers 64 Use this formula to find the volume of a cube with sides 2 3 meters long Change your answer to a fraction V L3 2 33 G Press Display 2 8 3 G 3 2 3 3 2 3 3 12 167 12 167 DEG Ans...

Страница 72: ...hers 65 Fold a piece of paper in half in half again and so on until you cannot physically fold it in half again How many sections would there be after 10 folds After 15 folds G Press Display 2 G 10 2...

Страница 73: ...1999 TEXAS INSTRUMENTS INCORPORATED TI 30X S A Guide for Teachers 66 If the volume of a cube is 125 cm3 what is the length of each side Press Display 3 125 3 3 x x 125 125 5 5 DEG Roots...

Страница 74: ...el ships a Time Portion Spent Completed Ships Building Per Hour Sailing 10 hrs Steam 5 hrs Luxury 5 1 3 hrs How much of each model was completed per hour Press Display Sailing ship 10 a 1 10 0 1 1 F F...

Страница 75: ...ency masters assume all default settings A combination is an arrangement of objects in which the order is not important as in a hand of cards A permutation is an arrangement of objects in which the or...

Страница 76: ...bookshelf You have 4 books to put on the shelf Use this formula to find how many ways you could place the 4 books in the 2 spaces 4 nCr 2 x A B C D H AB and BA count as only 1 combination AB AC AD BA...

Страница 77: ...ent people are running in a race Use this formula to find how many different ways they can place 1st and 2nd 4 nPr 2 x A B C D H AB and BA count as 2 permutations AB AC AD BA BC BD CA CB CD DA DB DC P...

Страница 78: ...digits 1 3 7 and 9 only one time each how many 4 digit numbers can you form 4 x 1 3 7 9 A B C D H ABCD BACD CABD DABC ABDC BADC CADB DACB ACBD BCAD CBAD DBAC ACDB BCDA CBDA DBCA ADBC BDCA CDAB DCAB AD...

Страница 79: ...TED TI 30X S A Guide for Teachers 72 Generate a sequence of random numbers H Press Display H RAND RAND RANDI RANDI ___ ___ DEG RAND RAND 0 839588694 0 839588694 DEG RAND RAND 0 482688185 0 482688185 D...

Страница 80: ...uide for Teachers 73 Set 1 as the current seed and generate a sequence of random numbers H Press Display 1 L rand rand 310000 310000 DEG 1 1 rand rand 1 1 DEG H RAND RAND 0 000018633 0 000018633 DEG R...

Страница 81: ...RATED TI 30X S A Guide for Teachers 74 Generate a random integer from 2 through 10 H Press Display H RAND RAND RANDI RANDI __ __ DEG 2 10 E ANDI 2 10 ANDI 2 10 DEG RANDI 2 10 RANDI 2 10 3 3 DEG Result...

Страница 82: ...ned to clear data values and exit STAT mode Press when N no is underlined to return to the previous screen without exiting STAT mode 4 u displays the menu of variables with their current values n Numb...

Страница 83: ...eir scores enter the data points 85 85 97 53 77 v Press Display 1 VAR 1 VAR 2 VAR 2 VAR DEG v X X1 1 S STAT DEG 85 X X1 1 85 85 S STAT DEG FRQ FRQ 1 1 S STAT DEG 2 FRQ FRQ 2 2 S STAT DEG 97 X X2 2 97...

Страница 84: ...sx the population standard deviation sx the sum of the scores Gx and the sum of the squares Gx2 u Press Display u n v Sx sx 5 5 STAT DEG n v Sx sx 79 4 79 4 STAT DEG n v Sx sx 16 39512123 16 39512123...

Страница 85: ...a point Display the lowest score drop it and then find the new mean v Clear all data by exiting STAT mode Press Display v X X1 1 85 85 S STAT DEG X X3 3 53 53 S STAT DEG 0 FRQ FRQ 0 0 S 0 0 STAT DEG u...

Страница 86: ...shoe store Enter this data as the data points Month Total No x Brand A y April 58 x1 35 y1 May 47 x2 28 y2 v Press Display 1 VAR 2 VAR 1 VAR 2 VAR DEG v X X1 1 S STAT DEG 58 X X1 1 58 58 S STAT DEG 3...

Страница 87: ...e store sells 32 pairs of shoes in June predict the June sales of Brand A When finished exit STAT mode and clear all data points u Press Display u x x y y STAT DEG 32 E y y 32 32 18 45454545 18 454545...

Страница 88: ...6 Z calculates the inverse sine Notes The examples on the transparency masters assume all default settings Before starting a trigonometric calculation be sure to select the appropriate angle mode set...

Страница 89: ...e to the boat Round your answer to the nearest whole number and then return to floating decimal mode Press Display 78 W 27 E 78 tan 27 78 tan 27 153 0836194 153 0836194 DEG F F 0 0 1 2 3 4 5 6 7 8 9 1...

Страница 90: ...answer to the nearest tenth and then return to floating decimal mode TAN x 600 2500 Press Display 600W 2500 E ta tan n 1 1 600 25 600 25 13 49573328 13 49573328 DEG F 0 1 2 3 4 5 6 7 8 9 F 0 1 2 3 4 5...

Страница 91: ...er is from the house Round your answer to the nearest whole number and then return to floating decimal mode D 5 x COS 75 Press Display 5 V 75 E 5 cos 75 5 cos 75 1 294095226 1 294095226 DEG F F 0 0 1...

Страница 92: ...your answer to the nearest tenth and then return to floating decimal mode COS x 453 500 Press Display 453W 500 E cos cos 1 1 453 50 453 50 25 04169519 25 04169519 DEG F 0 1 2 3 4 5 6 7 8 9 F 0 1 2 3...

Страница 93: ...Round your answer to the nearest whole number and then return to floating decimal mode D 1 5 SIN 12 Press Display 1 8 5 W 12 E 1 5 sin 12 1 5 sin 12 7 214601517 7 214601517 DEG F F 0 0 1 2 3 4 5 6 7...

Страница 94: ...Round your answer to the nearest tenth and then return to floating decimal mode Press Display 13 W 20 E sin sin 1 1 13 20 13 20 40 54160187 40 54160187 DEG F 0 1 2 3 4 5 6 7 8 9 F 0 1 2 3 4 5 6 7 8 9...

Страница 95: ...0 to an integer power The integer power is always a multiple of 3 2 C lets you enter and calculate the exponent Notes The examples on the transparency masters assume all default settings You can enter...

Страница 96: ...nd alternate between scientific and engineering notations Press Display 12543 FLO FLO SCI SCI ENG ENG DEG 12543 12543 1 2543 1 2543x1 x10 0 04 04 SCI DEG FLO FLO SCI SCI ENG ENG SCI DEG 12543 12543 12...

Страница 97: ...th is 1 496 x 108 kilometers from the Sun Jupiter is 7 783 x 108 kilometers from the Sun Enter the numbers in scientific notation and determine how far away the Earth is from Jupiter Press Display 7 8...

Страница 98: ...tural logarithm base e where e 2 718281828459 3 calculates the common antilogarithm 10 raised to the power of the value 4 calculates the natural antilogarithm e raised to the power of the value Notes...

Страница 99: ...d to 4 decimal places and return to floating decimal notation A B Press Display A 23 E log 23 log 23 1 361727836 1 361727836 DEG F 0 1 2 3 4 5 6 7 8 9 F 0 1 2 3 4 5 6 7 8 9 DEG 4 log 23 log 23 1 3617...

Страница 100: ...es When finished return to floating decimal notation Press Display 3 8 9824 E 10 3 9824 10 3 9824 9602 846792 9602 846792 DEG F 0 1 2 3 4 5 6 7 8 9 F 0 1 2 3 4 5 6 7 8 9 DEG 4 10 3 9824 10 3 9824 9602...

Страница 101: ...Specifies gradients DMS Lets you convert an angle from decimal degrees to DMS notation Notes The examples on the transparency masters assume all default settings Angles with a trig function ignore the...

Страница 102: ...t were 2 05 2 hours and 5 minutes and 1 46 1 hour and 46 minutes in length How long did you watch videos Press Display 2 r r g g DEG 2 2 DEG 5 r r g g DEG T 1 2 2 5 5 1 1 DEG 46 2 2 5 5 1 1 46 46 3 85...

Страница 103: ...S INCORPORATED TI 30X S A Guide for Teachers 96 How much is 2 3 of an hour in hours minutes and seconds Press Display 2 N 3 2 2 3 3 DEG DMS DMS DEG 2 2 3 3 DMS DMS 0 0 40 40 0 0 DEG Fraction to Degree...

Страница 104: ...alculate the sine of 30 in degrees radians and gradients I Press Display 30 E sin 30 sin 30 0 5 0 5 DEG I DEG DEG RAD RAD GRD GRD DEG sin 30 sin 30 0 988O31624 0 988O31624 RAD I DEG DEG RAD RAD GRD GR...

Страница 105: ...rectangular coordinate to polar coordinate r R4Pq Converts rectangular coordinate to polar coordinate q P4Rc Converts polar coordinate to rectangular coordinate c P4Ry Converts polar coordinate to rec...

Страница 106: ...o rectangular using the DEG angle unit y x 3 2 1 1 2 3 4 5 6 7 r 7 30 4 x y Press Display P P Rx Rx P P R Ry y DEG 7 30 E P P Rx Rx 7 30 7 30 6 062177826 6 062177826 DEG P P Rx Rx P P R Ry y DEG 7 30...

Страница 107: ...ic sinh cosh tanh function of the next trig key that you press Notes The example on the transparency master assumes all default settings Hyperbolic calculations are not affected by the angle mode sett...

Страница 108: ...for Teachers 101 Find the hyperbolic sine sinh cosine cosh and tangent tanh of 5 Press Display 5 E sinh 5 sinh 5 74 20321058 74 20321058 DEG 5 E cosh 5 cosh 5 74 20994852 74 20994852 DEG 5 E tanh 5 t...

Страница 109: ...expression a Calculates the reciprocal F Squares the value g Enters the value of pi rounded to 10 digits 3 141592654 8 Enters a decimal point M Indicates the value is negative G Raises a value to a sp...

Страница 110: ...story Clears all memory variables Calculates the cosine Calculates the inverse cosine v Lets you enter the statistical data points x for 1 VAR stats x and y for 2 VAR stats J Deletes the character at...

Страница 111: ...if possible Displays the following menu that lets you set the number of decimal places F 0 1 2 3 4 5 6 7 8 9 F Sets floating decimal standard notation 0 9 Sets number of decimal places Y Accesses the...

Страница 112: ...e calculator The message MEM CLEARED is displayed Also press and simultaneously to reset the calculator immediately No menu or message is displayed k Displays the following menu that lets you convert...

Страница 113: ...following menu of stat variables with their current values n Number of x or x y data points v or w Mean of all x or y values Sx or Sy Sample standard deviation of x or y sx or sy Population standard d...

Страница 114: ...mal setting SCI ENG Scientific or engineering notation STAT Statistical mode DEG RAD GRAD Angle mode degrees radians or gradients K Constant mode x10 Precedes the exponent in scientific or engineering...

Страница 115: ...not integers 0 For x x is not an integer between 0 and 69 EQUATION LENGTH ERROR An entry exceeds the digit limits 88 for entry line and 47 for statistics or constant entry lines for example combining...

Страница 116: ...917 8324 Customers outside the U S Canada Puerto Rico and the Virgin Islands Contact TI by e mail or visit the TI calculator home page on the World Wide Web e mail ti cares ti com internet www ti com...

Страница 117: ...ion of implied warranties or consequential damages so the above limitations or exclusions may not apply to you Legal Remedies This warranty gives you specific legal rights and you may also have other...

Страница 118: ...XII TG 2L1 B ENG E To the printer In the space below Printed by please place your address This Teacher guide prints PMS 633 TI 30XII ENG E Texas Instruments Holland B V Rutherfordweg 102 3542 CG Ultre...

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