sin
(PHP 3, PHP 4, PHP 5)
sin -- Sine
Description
float
sin ( float arg )
sin() returns the sine of the arg parameter. The arg parameter is in radians.
Example 1. sin() example <?php
// Precision depends on your precision directive
echo sin(deg2rad(60)); // 0.866025403 ...
echo sin(60); // -0.304810621 ...
?> |
|
See also: asin(), cos(), tan(), and deg2rad().