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DLMF:4.28.E7 - MaRDI portal

DLMF:4.28.E7 (Q2169)

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DLMF:4.28.E7
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    Statements

    DLMF defining formula
    coth ⁡ z = 1 tanh ⁡ z . hyperbolic-cotangent 𝑧 1 𝑧 {\displaystyle{\displaystyle\coth z=\frac{1}{\tanh z}.}}
    0 references
    Symbols used
    hyperbolic tangent function
    DLMF defining formula
    tanh ⁡ z 𝑧 {\displaystyle{\displaystyle\tanh\NVar{z}}}
    xml-id
    C4.S28.E4.m2aadec
    0 references
    complex variable
    DLMF defining formula
    z 𝑧 {\displaystyle{\displaystyle z}}
    xml-id
    C4.S1.XMD8.m1fdec
    0 references

    Identifiers

     
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