Casio ALGEBRA FX 2.0 Manual Calculations - Manual (Page 19)

19990401
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.
• Be sure to specify Comp for Mode in the SET UP screen.
Example Operation
sin 63° = 0.8910065242 u3(SET UP)cccc1(Deg)i
s63w
π
cos (–– rad) = 0.5 u3(SET UP)cccc2(Rad)i
3
c(!E(π)/d)w
tan (– 35gra) = – 0.6128007881
u3(SET UP)cccc3(Gra)i
t-35w
2
•
sin 45° × cos 65° = 0.5976724775
u3(SET UP)cccc1(Deg)i
2*s45*c65w*
1
cosec 30° =
1
= 2 1/s30w
sin 30°
sin -1 0.5 = 30° !s(sin –1 )0.5* 2 w
( x when sin x = 0.5)
2-4-3
Function Calculations
* 1 * can be omitted. * 2 Input of leading zero is not necessary.
π
(90° = ––– radians = 100 grads)
2