asin vex function

Contexts: chop , cop , displace , fog , image3d , light , photon , pop , shadow , sop , surface

Tags: math

Returns the arc-sine of the argument.

1. float asin(float )

2. vector asin(vector )

3. vector4 asin(vector4 )

Returns the arc-sine of the argument. The return value is in the range -pi/2 to pi/2.