Name: ASIN Syntax: (ASIN(arg))
Family: Function Category: Trigonometric
Description: Compute Arcsine

Computes the arcsine of arg where arg is in the range -1 to 1. The result is an angle in radians between -p/2 and p/2.

In the following example, the value of vasin is -0.5236 (-p/6 radians)

SET VAR vasin = (ASIN(-0.5))

p is the value of #PI