cos
(PHP 4, PHP 5)
cos — Cosine
Beskrivelse
float cos
( float
$arg
)
cos() returns the cosine of the arg
parameter. The arg parameter is in radians.
Parametre
-
arg -
An angle in radians
Returnerings Værdier
The cosine of arg
Eksempler
Eksempel #1 cos() example
<?php
echo cos(M_PI); // -1
?>
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