DLMF:4.20.E8 (Q1696)

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DLMF:4.20.E8
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    Statements

    test
    d n d z n ⁡ cos ⁡ z = cos ⁡ ( z + 1 2 ⁢ n ⁢ π ) . derivative 𝑧 𝑛 𝑧 𝑧 1 2 𝑛 𝜋 {\displaystyle{\displaystyle\frac{{\mathrm{d}}^{n}}{{\mathrm{d}z}^{n}}\cos z=% \cos\left(z+\tfrac{1}{2}n\pi\right).}}
    0 references
    DLMF id
    DLMF:4.20.E8
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    Symbols used
    the ratio of the circumference of a circle to its diameter
    test
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2aadec
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    cosine function
    test
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2abdec
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