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