DLMF:4.21.E39 (Q1743): Difference between revisions

Revision as of 18:28, 1 January 2020

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Language	Label	Description	Also known as
English	DLMF:4.21.E39	No description defined

{\displaystyle{\displaystyle\tan z=\frac{\sin\left(2x\right)+\mathrm{i}\sinh% \left(2y\right)}{\cos\left(2x\right)+\cosh\left(2y\right)},}}

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DLMF:4.21.E39

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{\displaystyle{\displaystyle\cos\NVar{z}}}

C4.S14.E2.m2aaadec

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@@ Property / Symbols used @@
+cosine function
@@ Property / Symbols used: cosine function / rank @@
+Normal rank
@@ Property / Symbols used: cosine function / qualifier @@
+Defining formula:  ${\displaystyle{\displaystyle\cos\NVar{z}}}$ 
\cos@@{\NVar{z}}
@@ Property / Symbols used: cosine function / qualifier @@
+xml-id: C4.S14.E2.m2aaadec