DLMF:4.35.E24 (Q1898)

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DLMF:4.35.E24
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    Statements

    Defining formula
    cosh ⁡ ( - z ) = cosh ⁡ z , 𝑧 𝑧 {\displaystyle{\displaystyle\cosh\left(-z\right)=\cosh z,}}
    0 references
    DLMF id
    DLMF:4.35.E24
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    Symbols used
    hyperbolic cosine function
    Defining formula
    cosh ⁡ z 𝑧 {\displaystyle{\displaystyle\cosh\NVar{z}}}
    xml-id
    C4.S28.E2.m2apdec
    0 references
    Q11217
    Defining formula
    z 𝑧 {\displaystyle{\displaystyle z}}
    xml-id
    C4.S1.XMD8.m1gdec
    0 references
     
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