DLMF:4.35.E12 (Q1886): Difference between revisions

Revision as of 18:10, 1 January 2020

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Language	Label	Description	Also known as
English	DLMF:4.35.E12	No description defined

{\displaystyle{\displaystyle{\operatorname{sech}^{2}}z=1-{\tanh^{2}}z,}}

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{\displaystyle{\displaystyle\operatorname{sech}\NVar{z}}}

C4.S28.E6.m2adec

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@@ Property / Symbols used @@
+hyperbolic secant function
@@ Property / Symbols used: hyperbolic secant function / rank @@
+Normal rank
@@ Property / Symbols used: hyperbolic secant function / qualifier @@
+test:  ${\displaystyle{\displaystyle\operatorname{sech}\NVar{z}}}$ 
\sech@@{\NVar{z}}
@@ Property / Symbols used: hyperbolic secant function / qualifier @@
+xml-id: C4.S28.E6.m2adec