DLMF:4.35.E2 (Q1876)

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DLMF:4.35.E2
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    Statements

    Defining formula
    cosh ⁡ ( u ± v ) = cosh ⁡ u ⁢ cosh ⁡ v ± sinh ⁡ u ⁢ sinh ⁡ v , plus-or-minus 𝑢 𝑣 plus-or-minus 𝑢 𝑣 𝑢 𝑣 {\displaystyle{\displaystyle\cosh\left(u\pm v\right)=\cosh u\cosh v\pm\sinh u% \sinh v,}}
    0 references
    DLMF id
    DLMF:4.35.E2
    0 references
    Symbols used
    hyperbolic cosine function
    Defining formula
    cosh ⁡ z 𝑧 {\displaystyle{\displaystyle\cosh\NVar{z}}}
    xml-id
    C4.S28.E2.m2aadec
    0 references
     
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