Difference between revisions of "Cosh"
From specialfunctionswiki
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| + | The hyperbolic cosine function is defined by | ||
| + | $$\mathrm{cosh}(z)=\dfrac{e^z + e^{-z}}{2}$$ | ||
[[File:Complex Cosh.jpg|500px]] | [[File:Complex Cosh.jpg|500px]] | ||
Revision as of 06:25, 19 January 2015
The hyperbolic cosine function is defined by $$\mathrm{cosh}(z)=\dfrac{e^z + e^{-z}}{2}$$ 500px
