Casio CFX-9850G PLUS, User'S Manual & Technical Reference

Page: 73 / 486

45
Function Calculations
2 - 3
k k k k k
Trigonometric and Inverse Trigonometric Functions
• Be sure to set the angle unit before performing trigonometric function and
inverse trigonometric function calculations.
• Be sure to specify “Comp” for Calculation/binary, octal, decimal, hexadecimal
mode.
Example Operation Display
sin 63
°
= 0.8910065242
!Z
cccc
1
(Deg)
J
s
63
w
0.8910065242
cos (
π
rad) = 0.5
!Z cccc
3
2
(Rad)
J
c ( !7 /d) w
0.5
tan (– 35gra) =
– 0.6128007881
!Z cccc
3
(Gra)
J
t-
35
w
–0.6128007881
2
•
sin 45
° ×
cos 65
°
= 0.5976724775
!Z cccc
1
(Deg)
J
2
* s
45
* c
65
w
*
1
0.5976724775
cosec 30
°
=
1 = 2
1
/ s
30
w
2
sin30
°
sin
-1
0.5 = 30
°
(
x
when sin
x
= 0.5)
!S
0.5 *
2
w
30
* 1
*
can be omitted.
*
2
Input of leading zero is not necessary.
P.5
π
(90
°
= ––– radians = 100 grads)
2
P.5