Please wait while we load your page...
 

Announcements

PHP Manual :: cos



ceil || cosh || Math Functions || PHP Manual

(PHP 4, PHP 5, PHP 7)

cosCosine

Description

float cos ( float $arg )

cos() returns the cosine of the arg parameter. The arg parameter is in radians.

Parameters

arg

An angle in radians

Return Values

The cosine of arg

Examples

Example #1 cos() example

<?php

echo cos(M_PI); // -1

?>

See Also



ceil || cosh || Math Functions || PHP Manual
Live Chat Not Available