tan

(PHP 4, PHP 5, PHP 7, PHP 8)

tan — Tangent

Description

tan(float $num): float

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

Parameters

num: The argument to process in radians

Return Values

The tangent of num

Examples

Example #1 tan() example


<?php

echo tan(M_PI_4); // 1

?>

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