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deg2rad

(PHP 3 >= 3.0.4, PHP 4, PHP 5)

deg2rad --  Converts the number in degrees to the radian equivalent

Description

float deg2rad ( float number )

This function converts number from degrees to the radian equivalent.

Пример 1. deg2rad() example

<?php

echo deg2rad(45); // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)

?>

See also rad2deg().



add a note add a note User Contributed Notes
deg2rad
john dot navratil at sbcglobal dot net
11-Feb-2007 07:32
This does a simple scaling with the results that deg2rad(720) is 4PI.  For navigation purposes you may wish to mod the results with 2PI.
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exp> <decoct
Last updated: Sat, 27 Jan 2007
 
 
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11 июля 2007
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