Casio fx-9860G SD User Manual page 86

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.
(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 =
sin 30
sin -1 0.5 = 30
x x
( when sin = 0.5)
* can be omitted.
* 1
Function Calculations
2
= 2
2-4-4
Operation
!m(SET UP)cccccc
1(Deg)J
s63w
!m(SET UP)cccccc
2(Rad)J
<Line>
c(!E( )/3)w
<Math>
c$!E( )c3w
!m(SET UP)cccccc
3(Gra)J
t-35w
!m(SET UP)cccccc
1(Deg)J
2*s45*c65w*
!m(SET UP)cccccc
1(Deg)J
<Line>
1/s30w
<Math>
$1cs30w
!m(SET UP)cccccc
1(Deg)J
!s(sin
–1 )0.5*
* 2 Input of leading zero is not necessary.
20050401
1
w
2