value = Asn ( Number )
value = ASin ( Number )
Computes the arc-sine of a number.
PRINT Asn(0.5) 0.523598775598
PRINT Asn(-1) 1.570796326795
Acs / ACos, Acsh / ACosh, Asn / ASin, Cos, Cosh, Deg, Rad, Pi, Sin, Sinh