tan

(PHP 4, PHP 5, PHP 7)

tanTangent

Descrierea

tan ( float $arg ) : float

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

Parametri

arg

The argument to process in radians

Valorile întoarse

The tangent of arg

Exemple

Example #1 tan() example

<?php

echo tan(M_PI_4); // 1

?>

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