Casio CFX9850GBPLUS - Trigonometric and Inverse Trigonometric Functions

20070201
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 Mode in the Setup screen.
Example Operation
sin 63° = 0.8910065242
!m (SET UP)cccccc
1 (Deg)J
s 63 w
cos (
π
3
rad) = 0.5
!m (SET UP)cccccc
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° =
sin30°
1
= 2
!m (SET UP)cccccc
1 (Deg)J
<Line>
1 / s 30 w
<Math>
$ 1 c s 30 w
sin
–1
0.5 = 30°
( x when sin x = 0.5)
!m (SET UP)cccccc
1 (Deg)J
!s (sin
–1
) 0.5 *
2
w
π
(90° = ––– radians = 100 grads)
2
π
(90° = ––– radians = 100 grads)
2
2-4-4
Function Calculations
*
1
* can be omitted.
*
2
Input of leading zero is not necessary.