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
    / Precision depends on your precision directive
    echo sin(deg2rad(60)), PHP_EOL; / 0.866025403 ...
    echo sin(60), PHP_EOL; / -0.304810621 ...
    ?>

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