math:tan

Returns the tangent of the argument, expressed in radians.

tan($θ as xs:double?) ➔ xs:double?

Arguments
	$θ	xs:double?	The input angle in radians
Result		xs:double?

Namespace

http://www.w3.org/2005/xpath-functions/math

Links to W3C specifications

XPath 3.0 Functions and Operators

XPath 3.1 Functions and Operators

Notes on the Saxon implementation

Implemented since Saxon 9.3; available whether or not XPath 3.0 is enabled. Saxon also (for compatibility) implements the function math:tan() in namespace http://exslt.org/math.