cos

(PHP 4, PHP 5, PHP 7)

cosCosine

Descrierea

cos ( float $num ) : float

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

Parametri

num

An angle in radians

Valorile întoarse

The cosine of num

Exemple

Example #1 cos() example

<?php

echo cos(M_PI); // -1

?>

A se vedea și

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User Contributed Notes 2 notes

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-1
felipensp at gmail dot com
18 years ago
Convert degree to radianus, radianus to cos.

<?php

   
// Degree
   
$degree = 360;

   
// Convertion
   
print cos(deg2rad($degree));

?>
up
-89
shrinivasmani at gmail dot com
11 years ago
Convert degree to radianus

<?php

   
// Degree
   
$degree = 360;

   
// Convertion
   
print cos(deg2rad($degree));

?>
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