DLMF:4.28.E6 (Q1843): Difference between revisions

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Property / Symbols defined: hyperbolic secant function / rank
 
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Revision as of 14:59, 30 December 2019

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DLMF:4.28.E6
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    Statements

    sech z = 1 cosh z , 𝑧 1 𝑧 {\displaystyle{\displaystyle\operatorname{sech}z=\frac{1}{\cosh z},}}
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