aSin()

Return an angle with sine equal to the number. The argument must be in the range -1 to +1 inclusive. Returned angle is expressed in radians.

Syntax:

variable = aSin( number )

Example:

print aSin( 1 )
print aSin( 0 )
print aSin( -1 )

will print on console 1.570796, 0, -1.570796