SYNOPSIS:

func.math.acos(cosine_value)

DESCRIPTION:

Get the arcus cosine of the given value (in radian).

SEE ALSO:

expression, variable, function, func.math,
func.math.sin, func.math.cos, func.math.tan,
func.math.asin, func.math.atan, func.math.atan2,
func.math.tostring, func.math.tohex