tanh
(PHP 4 >= 4.1.0, PHP 5)
tanh — Hyperbolic tangent
Описание
float tanh ( float $arg )
Returns the hyperbolic tangent of arg , defined as sinh(arg)/cosh(arg).
Список параметров
- arg
-
The argument to process
Возвращаемые значения
The hyperbolic tangent of arg