DLMF:4.21.E37 (Q1741)

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Language	Label	Description	Also known as
English	DLMF:4.21.E37	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle\sin z=\sin x\cosh y+\mathrm{i}\cos x\sinh y,}}

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DLMF:4.21.E37

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cosine function

Defining formula

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

C4.S14.E2.m2aydec

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Sitelinks

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