sin
(PHP 3, PHP 4 )
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().
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