DLMF:4.35.E19 (Q1893)

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Language	Label	Description	Also known as
English	DLMF:4.35.E19	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle{\sinh^{2}}u+{\cosh^{2}}v=\cosh\left(u+v\right)% \cosh\left(u-v\right).}}

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DLMF:4.35.E19

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hyperbolic cosine function

Defining formula

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

C4.S28.E2.m2aldec

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hyperbolic sine function

Defining formula

{\displaystyle{\displaystyle\sinh\NVar{z}}}

C4.S28.E1.m2aldec

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Sitelinks

Wikipedia(0 entries)

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