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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
print sin(deg2rad(60));  //  0.866025403 ...
print sin(60);           // -0.304810621 ...

 ?>

See also asin(), cos(), tan() and deg2rad().

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