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→Series definition: corrections to infinite sums |
→Applications of hyperbolic functions to integrals: add 'inverse' to heading |
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:<math>\operatorname{arccsch}(x) = \ln\left(\frac{1 \pm \sqrt{1 + x^2}}{x}\right)</math>
==Applications of inverse hyperbolic functions to integrals==
:<math>\int \frac {dx} {\sqrt{1 - x^2}} = \operatorname{arcsin}(x)+{C} = - \operatorname{arccos}(x) + \frac {\pi}{2}+{C}</math>
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