sin
(PHP 4, PHP 5, PHP 7, PHP 8)
sin — Sine
Description
sin(float
$num): float
sin() returns the sine of the num
parameter. The num parameter is in radians.
Parameters
-
num -
A value in radians
Return Values
The sine of num
Examples
Example #1 sin() example
<?php
// Precision depends on your precision directive
echo sin(deg2rad(60)); // 0.866025403 ...
echo sin(60); // -0.304810621 ...
?>
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