Php/docs/function.tanh
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tanh
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
tanh — Hyperbolic tangent
Description
tanh
( float $arg
) : float
Returns the hyperbolic tangent of arg
,
defined as sinh(arg)/cosh(arg)
.
Parameters
arg
- The argument to process
Return Values
The hyperbolic tangent of arg