Kotanjant için başka bir çözüm
<?php
$degrees = 30;
echo "$degrees derecelik açının kotanjant değeri: " . 1/tan(deg2rad($degrees));
?>
tan
(PHP 4, PHP 5, PHP 7)
tan — Tangent
Descrierea
tan
( float
$num
) : float
tan() returns the tangent of the num
parameter. The num parameter is in radians.
Parametri
-
num -
The argument to process in radians
Valorile întoarse
The tangent of num
Exemple
Example #1 tan() example
<?php
echo tan(M_PI_4); // 1
?>
add a note
User Contributed Notes 2 notes
farba36 at yahoo dot com ¶
10 years ago
georgedot at gmail dot com ¶
15 years ago
Workaround for cotangent function
<?php
//FOR PHP 4
function cot($rad)
{
return tan(M_PI_2 - rad2deg($rad));
}
//FOR PHP 3
function cot($rad)
{
return tan(M_PI/2 - rad2deg($rad));
}
?>
