cos

(PHP 3, PHP 4, PHP 5)

cos -- Cosine

Description

float cos ( float arg )

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

Пример 1. cos() example

<?php echo cos(M_PI); // -1 ?>

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

cos

felipensp at gmail dot com
12-Mar-2006 05:29


Convert degree to radianus, radianus to cos.



<?php



    // Degree

    $degree = 360;



    // Convertion

    print cos(deg2rad($degree));



?>

ceil	cosh

	Last updated: Tue, 15 Nov 2005