Convert degree to radianus, radianus to cos.
<?php
// Degree
$degree = 360;
// Convertion
print cos(deg2rad($degree));
?>
(PHP 4, PHP 5, PHP 7, PHP 8)
cos — 余弦
num
以弧度表示的角度
num
的余弦值
示例 #1 cos() 示例
<?php
echo cos(M_PI); // -1
?>
Convert degree to radianus, radianus to cos.
<?php
// Degree
$degree = 360;
// Convertion
print cos(deg2rad($degree));
?>
Convert degree to radianus
<?php
// Degree
$degree = 360;
// Convertion
print cos(deg2rad($degree));
?>