# Category:Definitions/Hyperbolic Tangent Function

This category contains definitions related to Hyperbolic Tangent Function.
Related results can be found in Category:Hyperbolic Tangent Function.

The hyperbolic tangent function is defined on the complex numbers as:

$\tanh: X \to \C$:
$\forall z \in X: \tanh z := \dfrac {e^z - e^{-z} } {e^z + e^{-z} }$

where:

$X = \set {z : z \in \C, \ e^z + e^{-z} \ne 0}$

## Pages in category "Definitions/Hyperbolic Tangent Function"

The following 9 pages are in this category, out of 9 total.