DLMF:28.29.E9 (Q8489)

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DLMF:28.29.E9
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    Statements

    Defining formula
    2 ⁢ cos ⁡ ( π ⁢ ν ) = w I ⁢ ( π , λ ) + w II ′ ⁢ ( π , λ ) . 2 𝜋 𝜈 subscript 𝑤 I 𝜋 𝜆 superscript subscript 𝑤 II ′ 𝜋 𝜆 {\displaystyle{\displaystyle 2\cos\left(\pi\nu\right)=w_{\mbox{\tiny I}}(\pi,% \lambda)+w_{\mbox{\tiny II}}^{\prime}(\pi,\lambda).}}
    0 references
    DLMF id
    DLMF:28.29.E9
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    Symbols used
    the ratio of the circumference of a circle to its diameter
    Defining formula
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2afdec
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    cosine function
    Defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2adec
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