tan

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

tanTangente

Description

tan(float $num): float

Retourne la tangente de num (num en radians).

Liste de paramètres

num

L'argument à traiter, en radians

Valeurs de retour

La tangente de num

Exemples

Exemple #1 Exemple avec tan()

<?php

echo tan(M_PI_4); // 1

?>

Voir aussi

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User Contributed Notes 2 notes

up
-2
farba36 at yahoo dot com
10 years ago
Kotanjant için başka bir çözüm
<?php
$degrees
= 30;
echo
"$degrees derecelik açının kotanjant değeri: " . 1/tan(deg2rad($degrees));
?>
up
-9
georgedot at gmail dot com
15 years ago
Workaround for cotangent function

<?php
//FOR PHP 4
function cot($rad)
{
    return
tan(M_PI_2 - rad2deg($rad));
}

//FOR PHP 3
function cot($rad)
{
    return
tan(M_PI/2 - rad2deg($rad));
}
?>
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