Workaround for cotangent function
<?php
//FOR PHP 4
function cot($rad)
{
return tan(M_PI_2 - rad2deg($rad));
}
//FOR PHP 3
function cot($rad)
{
return tan(M_PI/2 - rad2deg($rad));
}
?>
tan
(PHP 4, PHP 5)
tan — Tangente
georgedot at gmail dot com ¶
3 years ago
