Scalar FunctionsMath FunctionstanCopy MarkdownReturns the tangent of the input angle in radians.SyntaxCopy Anchor Link Copy Texttan(x) ParametersCopy Anchor Link PropTypexnumeric Returns: real ExamplesCopy Anchor Link Example 1Copy Anchor Link Copy Textprint 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 mean, variance, and count of each of two samples.