Casio Algebra FX 2.0 User Manual page 71

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 SET UP 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 0.5 = 30"
-1
x x
( when sin = 0.5)
* * can be omitted.
1
Function Calculations
!
2
= 2
2-4-3
Operation
u3(SET UP)cccc1(Deg)i
s63w
u3(SET UP)cccc2(Rad)i
c(!E(!)/d)w
u3(SET UP)cccc3(Gra)i
t-35w
u3(SET UP)cccc1(Deg)i
2*s45*c65w*
1/s30w
)0.5*
–1
!s(sin
* Input of leading zero is not necessary.
2
19990401
1
2
w