sin
PHP function
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(PHP 4, PHP 5, PHP 7, PHP 8)
Sine
Description
sin(float $num): float
sin() returns the sine of the num parameter. The num parameter is in radians.
Parameters
numA value in radians
Return Values
The sine of num
Examples
sin() example
php
<?php
// Precision depends on your precision directive
echo sin(deg2rad(60)), PHP_EOL; // 0.866025403 ...
echo sin(60), PHP_EOL; // -0.304810621 ...
?>