Convert degree to radianus, radianus to cos.
<?php
// Degree
$degree = 360;
// Convertion
print cos(deg2rad($degree));
?>
cos
(PHP 4, PHP 5, PHP 7, PHP 8)
cos — 余弦
参数
-
num -
以弧度表示的角度
返回值
num 的余弦值
示例
示例 #1 cos() 示例
<?php
echo cos(M_PI); // -1
?>
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User Contributed Notes 2 notes
felipensp at gmail dot com ¶
18 years ago
shrinivasmani at gmail dot com ¶
11 years ago
Convert degree to radianus
<?php
// Degree
$degree = 360;
// Convertion
print cos(deg2rad($degree));
?>
