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tanh> <srand
Last updated: Fri, 10 Oct 2008

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tan

(PHP 4, PHP 5)

tanTangent

Beschreibung

float tan ( float $arg )

tan() berechnet den Tangens des Winkels arg .

Parameter-Liste

arg

Ein Winkel in Bogenmaß

Rückgabewerte

Der Tangens des Winkels arg

Beispiele

Beispiel #1 tan() Beispiel

<?php

echo tan(M_PI_4); // 1

?>



add a note add a note User Contributed Notes
tan
fformula at gmail dot com
10-Apr-2006 05:26
To find cotangent you can use
  tan (M_PI/2 - $alfa)

tanh> <srand
Last updated: Fri, 10 Oct 2008
 
 
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