math.asin

math.asinmathasin

/apidoc/8.0/math:asin.xml

Returns the arc sine of x, in radians, in the range from -pi/2 to +pi/2 (inclusive).

The fraction to be evaluated. Must be in the range of -1 to +1 (inclusive).

x

Number

Number

  math.asin(.5)

  => 0.523598775598299