DLMF:24.7.E9 (Q7485)

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Language	Label	Description	Also known as
English	DLMF:24.7.E9	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle E_{2n}\left(x\right)=(-1)^{n}4\int_{0}^{\infty}% \frac{\sin\left(\pi x\right)\cosh\left(\pi t\right)}{\cosh\left(2\pi t\right)-% \cos\left(2\pi x\right)}t^{2n}\mathrm{d}t,}}

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DLMF:24.7.E9

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Defining formula

{\displaystyle{\displaystyle E_{\NVar{n}}\left(\NVar{x}\right)}}

C24.S2.SS2.m2adec

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the ratio of the circumference of a circle to its diameter

Defining formula

{\displaystyle{\displaystyle\pi}}

C3.S12.E1.m2ahdec

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cosine function

Defining formula

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

C4.S14.E2.m2abdec

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Defining formula

{\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}

C1.S4.SS4.m1ahdec

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hyperbolic cosine function

Defining formula

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

C4.S28.E2.m2abdec

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Sitelinks

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