Asin

Parameters
y real

A value between -1 and 1.

comment

Arcsine, one of inverse trigonometric functions. The result is returned in radians in range [-Pi/2;Pi/2]. Returns 0 for invalid input.

pure
This function is pure. For the same values passed to it, it will always return the same value.
return type
real
Source code
native Asin takes real y returns real
Source
math.j
wc3modding.com
Asin