Syntax
asin(sine)
Parameters
Parameter
| Parameter | Definition | 
|---|---|
| sine | sine argument *Valid Values*  | 
Description
The asin() function returns the arc sine of a number.
Example
include("math")
HALFPI = PI / 2
println("Arcsine + Arcosine Identity Verification\n")
println("  Sine     Expected   Returned")
println("------------------------------")
sine = -0.9
while (sine < 1.0) {
    printf("%+8.6f  %+8.6f  %+8.6f\n", sine, HALFPI, asin(sine) + acos(sine))
    sine = sine + 0.1
}