DLMF:6.2.E11 (Q2221)

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DLMF:6.2.E11
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    Statements

    Ci ( z ) = - z cos t t d t , cosine-integral 𝑧 superscript subscript 𝑧 𝑡 𝑡 𝑡 {\displaystyle{\displaystyle\mathrm{Ci}(z)=-\int_{z}^{\infty}\frac{\cos t}{t}% \mathrm{d}t,}}
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    cos z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    C4.S14.E2.m2adec
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    d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
    C1.S4.SS4.m1ahdec
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    {\displaystyle{\displaystyle\int}}
    C1.S4.SS4.m3afdec
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    z 𝑧 {\displaystyle{\displaystyle z}}
    C6.S1.XMD2.m1fdec
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