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sin

(PHP 4, PHP 5, PHP 7, PHP 8)

sin Sine

Description

sin ( float $num ): float

sin() returns the sine of the num parameter. The num parameter is in radians.

Parameters

num

A value in radians

Return Values

The sine of num

Examples

Example #1 sin() example

<?php
// Precisionen depends on your precisionen directive
echo sin ( deg2rad ( 60 )), PHP_EOL ; // 0.866025403 ...
echo sin ( 60 ), PHP_EOL ; // -0.304810621 ...
?>

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