sin
sin
(PHP 4, PHP 5, PHP 7)
sin — Sine
Description
float sin ( float $arg )
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 ... ?>
See Also
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.sin.php
