tan

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

tanTangent

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

?>

See Also

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