# Category:Definitions/Hyperbolic Cosine Function

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

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

$\cosh: \C \to \C$:
$\forall z \in \C: \cosh z := \dfrac {e^z + e^{-z} } 2$

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

The following 3 pages are in this category, out of 3 total.