DLMF:4.28.E7 (Q1844): Difference between revisions

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Property / Symbols defined: hyperbolic cotangent function / rank
 
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Revision as of 14:59, 30 December 2019

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DLMF:4.28.E7
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    coth z = 1 tanh z . hyperbolic-cotangent 𝑧 1 𝑧 {\displaystyle{\displaystyle\coth z=\frac{1}{\tanh z}.}}
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