DLMF:4.14.E6 (Q1658)

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DLMF:4.14.E6
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    Statements

    Defining formula
    sec ⁡ z = 1 cos ⁡ z , 𝑧 1 𝑧 {\displaystyle{\displaystyle\sec z=\frac{1}{\cos z},}}
    0 references
    DLMF id
    DLMF:4.14.E6
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    Symbols used
    cosine function
    Defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2acdec
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    Q11217
    Defining formula
    z 𝑧 {\displaystyle{\displaystyle z}}
    xml-id
    C4.S1.XMD8.m1edec
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