cos

(PHP 4, PHP 5)

cos — Cosine

Açıklama

float cos ( float $arg )

cos() returns the cosine of the arg parameter. The arg parameter is in radians.

Değiştirgeler

arg: An angle in radians

Dönen Değerler

The cosine of arg

Örnekler

Örnek 1 cos() example


<?php

echo cos(M_PI); // -1

?>

Ayrıca Bakınız

acos() - Arc cosine
sin() - Sine
tan() - Tangent
deg2rad() - Converts the number in degrees to the radian equivalent

add a note User Contributed Notes cos - [1 notes]

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felipensp at gmail dot com ¶

7 years ago


Convert degree to radianus, radianus to cos.



<?php



    // Degree

    $degree = 360;



    // Convertion

    print cos(deg2rad($degree));



?>

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