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数学 | Mathematics

rad2deg

rad2deg

(PHP 4, PHP 5, PHP 7)

rad2deg — Converts the radian number to the equivalent number in degrees

Description

float rad2deg ( float $number )

This function converts number from radian to degrees.

Parameters

number

A radian value

Return Values

The equivalent of number in degrees

Examples

Example #1 rad2deg() example

<?php echo rad2deg(M_PI_4 // 45 ?>

See Also

  • deg2rad() - Converts the number in degrees to the radian equivalent

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https://secure.php.net/manual/en/function.rad2deg.php