tanh
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
tanh — Hyperbolic tangent
Descrierea
tanh
( float
$num
) : float
Returns the hyperbolic tangent of num,
defined as sinh(num)/cosh(num).
Parametri
-
num -
The argument to process
Valorile întoarse
The hyperbolic tangent of num
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