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?

Links to W3C specifications

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

Applies to: XPath 3.0, XSLT 3.0, XQuery 3.0 (if enabled in Saxon: requires Saxon-PE or Saxon-EE)

XPath 3.0 Functions and Operators

Notes on the Saxon implementation

Implemented in Saxon 9.3; available whether or not support for XPath 3.0 is enabled

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