Scalar FunctionsMath FunctionsasinCopy MarkdownReturns the arc sine of the input (in radians). Input must be in [-1, 1].Syntax asin(x) Parameters PropTypexnumeric Returns: real Examples Example 1 print asin(0) print_0 (real)0.0acosReturns the arc cosine of the input (in radians). Input must be in [-1, 1].atanReturns the arc tangent of the input (in radians).