Trigonometric And Inverse Trigonometric Functions - Casio CFX9850GBPLUS User Manual

k Trigonometric and Inverse Trigonometric Functions
• Be sure to set the angle unit before performing trigonometric function and inverse
trigonometric function calculations.
(90° = ––– radians = 100 grads) (90° = ––– radians = 100 grads)
• Be sure to specify Comp for Mode in the Setup screen.
Example
sin 63° = 0.8910065242
cos ( rad) = 0.5
3
tan (– 35gra) = – 0.6128007881
2 sin 45° cos 65° = 0.5976724775
•
1
cosec 30° =
sin30°
–1
sin 0.5 = 30°
x x
( when sin = 0.5)
* can be omitted.
* 1
Function Calculations
2 2
= 2
2-4-4
Operation
!m (SET UP)cccccc
1 (Deg)J
s 63 w
!m (SET UP)cccccc
2 (Rad)J
<Line>
c ( !E ( )/ 3 ) w
<Math>
c$!E ( )c 3 w
!m (SET UP)cccccc
3 (Gra)J
t- 35 w
!m (SET UP)cccccc
1 (Deg)J
2 * s 45 * c 65 w *
!m (SET UP)cccccc
1 (Deg)J
<Line>
1 / s 30 w
<Math>
$ 1 c s 30 w
!m (SET UP)cccccc
1 (Deg)J
!s (sin
–1 2
) 0.5 *
2
* Input of leading zero is not necessary.
20070201
1
w