   #PHP Manual Mathematical Functions round sinh

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                                      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.

   <?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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