DLMF:8.21.E18 (Q2740)

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Language	Label	Description	Also known as
English	DLMF:8.21.E18	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle f(a,z)=\mathrm{si}\left(a,z\right)\cos z-\mathrm{% ci}\left(a,z\right)\sin z,}}

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DLMF:8.21.E18

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Symbols defined

auxiliary function (locally)

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cosine function

Defining formula

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

C4.S14.E2.m2addec

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generalized cosine integral

Defining formula

{\displaystyle{\displaystyle\mathrm{ci}\left(\NVar{a},\NVar{z}\right)}}

C8.S21.E1.m2addec

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generalized sine integral

Defining formula

{\displaystyle{\displaystyle\mathrm{si}\left(\NVar{a},\NVar{z}\right)}}

C8.S21.E1.m3addec

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Defining formula

{\displaystyle{\displaystyle\sin\NVar{z}}}

C4.S14.E1.m2addec

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Defining formula

{\displaystyle{\displaystyle z}}

C8.S1.XMD2.m1ndec

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Defining formula

{\displaystyle{\displaystyle a}}

C8.S1.XMD3.m1odec

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Sitelinks

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