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<srandtanh>
Last updated: Thu, 26 Jun 2008

tan

(PHP 4, PHP 5)

tan — Tangent

Description

float tan ( float $arg )

tan() returns the tangent of the arg parameter. The arg parameter is in radians.

Parameters

arg

The argument to process in radians

Return Values

The tangent of arg

Examples

Example #1 tan() example

<?php

echo tan(M_PI_4); // 1

?>

See Also



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<srandtanh>
Last updated: Thu, 26 Jun 2008
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