DLMF:4.34.E4 (Q1864)

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DLMF:4.34.E4
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    d d z csch z = - csch z coth z , derivative 𝑧 𝑧 𝑧 hyperbolic-cotangent 𝑧 {\displaystyle{\displaystyle\frac{\mathrm{d}}{\mathrm{d}z}\operatorname{csch}z% =-\operatorname{csch}z\coth z,}}
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    DLMF:4.34.E4
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    d f d x derivative 𝑓 𝑥 {\displaystyle{\displaystyle\frac{\mathrm{d}\NVar{f}}{\mathrm{d}\NVar{x}}}}
    C1.S4.E4.m2acdec
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    csch z 𝑧 {\displaystyle{\displaystyle\operatorname{csch}\NVar{z}}}
    C4.S28.E5.m2adec
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