Difference between revisions of "Arccosh"
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The inverse hyperbolic cosine function $\mathrm{arccosh}$ is the [[inverse function]] of the [[hyperbolic cosine]] function. It may be defined by | The inverse hyperbolic cosine function $\mathrm{arccosh}$ is the [[inverse function]] of the [[hyperbolic cosine]] function. It may be defined by | ||
| − | $$\mathrm{arccosh}(z)=\log \left(z + \sqrt{1+z^2} \right) | + | $$\mathrm{arccosh}(z)=\log \left(z + \sqrt{1+z^2} \right),$$ |
| + | where $\log$ denotes the [[logarithm]]. | ||
<div align="center"> | <div align="center"> | ||
Revision as of 00:22, 16 September 2016
The inverse hyperbolic cosine function $\mathrm{arccosh}$ is the inverse function of the hyperbolic cosine function. It may be defined by $$\mathrm{arccosh}(z)=\log \left(z + \sqrt{1+z^2} \right),$$ where $\log$ denotes the logarithm.
Graph of $\mathrm{arccos}$ on $[1,10]$.
Domain coloring of $\mathrm{arccosh}$.
