DLMF:4.35.E37 (Q1911)

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Language	Label	Description	Also known as
English	DLMF:4.35.E37	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle\coth z=\frac{\sinh\left(2x\right)-i\sin\left(2y% \right)}{\cosh\left(2x\right)-\cos\left(2y\right)}.}}

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DLMF:4.35.E37

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cosine function

Defining formula

{\displaystyle{\displaystyle\cos\NVar{z}}}

C4.S14.E2.m2acdec

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hyperbolic cosine function

Defining formula

{\displaystyle{\displaystyle\cosh\NVar{z}}}

C4.S28.E2.m2azdec

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Sitelinks

Wikipedia(0 entries)

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