Scalar FunctionsMath FunctionstanCopy MarkdownReturns the tangent of the input angle in radians.Syntax tan(x) Parameters PropTypexnumeric Returns: real Examples Example 1 print tan(0) print_0 (real)0.0sqrtReturns the square root of the numeric expression.welch_testTwo-tailed p-value for the Welch unequal-variances t-test given the