DLMF:4.38.E14 (Q1964)

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DLMF:4.38.E14
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    d d z arccoth z = 1 1 - z 2 . derivative 𝑧 hyperbolic-inverse-cotangent 𝑧 1 1 superscript 𝑧 2 {\displaystyle{\displaystyle\frac{\mathrm{d}}{\mathrm{d}z}\operatorname{% arccoth}z=\frac{1}{1-z^{2}}.}}
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    DLMF:4.38.E14
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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.m2aedec
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