DLMF:6.2.E17 (Q2228)

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DLMF:6.2.E17
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    Statements

    Defining formula
    f ⁡ ( z ) = Ci ⁡ ( z ) ⁢ sin ⁡ z - si ⁡ ( z ) ⁢ cos ⁡ z , sine-cosine-integral-f 𝑧 cosine-integral 𝑧 𝑧 shifted-sine-integral 𝑧 𝑧 {\displaystyle{\displaystyle\mathrm{f}\left(z\right)=\phantom{+}\mathrm{Ci}% \left(z\right)\sin z-\mathrm{si}\left(z\right)\cos z,}}
    0 references
    DLMF id
    DLMF:6.2.E17
    0 references
    Symbols used
    cosine function
    Defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2abdec
    0 references
    cosine integral
    Defining formula
    Ci ⁡ ( z ) cosine-integral 𝑧 {\displaystyle{\displaystyle\mathrm{Ci}\left(\NVar{z}\right)}}
    xml-id
    C6.S2.E11.m2acdec
    0 references
    sine integral
    Defining formula
    si ⁡ ( z ) shifted-sine-integral 𝑧 {\displaystyle{\displaystyle\mathrm{si}\left(\NVar{z}\right)}}
    xml-id
    C6.S2.E10.m2aadec
    0 references
     
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