Casio Algebra FX 2.0 PLUS 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
π
cos (–– rad) = 0.5
3
tan (– 35gra) = – 0.6128007881
sin 45° × cos 65° = 0.5976724775
2
•
1
cosec 30° =
sin 30°
sin -1 0.5 = 30°
x x
( when sin = 0.5)
* * can be omitted.
1
Function Calculations
π
2
= 2
2-4-3
Operation
u3(SET UP)cccc1(Deg)i
s63w
u3(SET UP)cccc2(Rad)i
c(!E(π)/d)w
u3(SET UP)cccc3(Gra)i
t-35w
u3(SET UP)cccc1(Deg)i
2*s45*c65w*
1/s30w
–1 )0.5*
!s(sin
* Input of leading zero is not necessary.
2
20010101
1
2
w