(PHP 4, PHP 5)
sin — Sine
sin() returns the sine of the arg parameter. The arg parameter is in radians.
A value in radians
The sine of arg
Пример #1 sin() example
<?php// Precision depends on your precision directiveecho sin(deg2rad(60)); // 0.866025403 ...echo sin(60); // -0.304810621 ...?>
