Mathtanh
(PHP 4 >= 4.0.7, PHP 5)
tanh — Hyperbolic tangent
Popis
float tanh
( float $arg
)
Returns the hyperbolic tangent of arg , defined as sinh(arg)/cosh(arg).
Parametre
- arg
-
The argument to process
Vrátené hodnoty
The hyperbolic tangent of arg
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