Hyperbolic functions: Difference between revisions

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Inverse hyperbolic functions: add series for some inverse hyperbolic functions (more to follow)
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:<math>\operatorname{arctanh} (x) = x + \frac {x^3} {3} + \frac {x^5} {5} + \frac {x^7} {7} +\cdots = \sum_{n=0}^\infty \frac {x^{2n+1}} {(2n+1)} , \left| x \right| < 1 </math>
 
==Applications of inverse trigonometric functions and inverse hyperbolic functions to integrals==