Developer Forums | About Us | Site Map
Search  
HOME > PHPMANUAL


Sponsors





Web Host
site hosted by netplex
Partners

Online Manuals

cos

(PHP 3, PHP 4 )

cos -- Cosine

Description

float cos ( float arg)

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

Example 1. cos() example

<?php

echo cos(M_PI); // -1

 ?>

See also acos(), sin(), tan() and deg2rad().

Copyright 2004-2024 GrindingGears.com. All rights reserved. Site hosted by NETPLEX