Casio fx-9860G AU PLUS, Руководство пользователя

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20050401
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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 Mode in the Setup screen.
Example Operation
sin 63
°
= 0.8910065242
!m
(SET UP)
cccccc
1
(Deg)
J
s
63
w
π
cos (–– rad) = 0.5
!m
(SET UP)
cccccc
3
2
(Rad)
J
<Line>
c ( !E
(
π
)
/
3
) w
<Math>
c$!E
(
π
)
c
3
w
tan (– 35gra) = – 0.6128007881
!m
(SET UP)
cccccc
3
(Gra)
J
t-
35
w
2
•
sin 45
° ×
cos 65
°
= 0.5976724775
!m
(SET UP)
cccccc
1
(Deg)
J
2
* s
45
* c
65
w
*
1
cosec 30
°
=
1
= 2
!m
(SET UP)
cccccc
sin 30
°
1
(Deg)
J
<Line>
1
/ s
30
w
<Math>
$
1
c s
30
w
sin
-1
0.5 = 30
°
!m
(SET UP)
cccccc
(
x
when sin
x
= 0.5)
1
(Deg)
J
!s
(sin
–1
) 0.5 *
2 w
2-4-4
Function Calculations
*
1 *
can be omitted. *
2
Input of leading zero is not necessary.
π
(90
°
= ––– radians = 100 grads)
2