tan
(PHP 3, PHP 4, PHP 5)
tan -- Tangent
Beskrivelse
float
tan ( float arg )
tan() returns the tangent of the arg
parameter. The arg
parameter is in radians.
Parameterliste
arg
The argument to process in radians
Returneringsværdier
The tangent of arg
Eksempler
Eksempel 1. tan() example
<?php
echo tan(M_PI_4); // 1
?>
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