sin
(PHP 4, PHP 5, PHP 7)
sin — Sine
Description
sin ( float $arg ) : float
sin() returns the sine of the arg
parameter. The arg
parameter is in radians.
Parameters
-
arg
-
A value in radians
Return Values
The sine of arg
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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https://www.php.net/manual/en/function.sin.php