DLMF:4.21.E40 (Q1744): Difference between revisions

Revision as of 18:28, 1 January 2020

No description defined

Language	Label	Description	Also known as
English	DLMF:4.21.E40	No description defined

{\displaystyle{\displaystyle\cot z=\frac{\sin\left(2x\right)-\mathrm{i}\sinh% \left(2y\right)}{\cosh\left(2y\right)-\cos\left(2x\right)}.}}

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DLMF:4.21.E40

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

C4.S14.E2.m2aabdec

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{\displaystyle{\displaystyle\cot\NVar{z}}}

C4.S14.E7.m2addec

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@@ Property / Symbols used @@
+cotangent function
@@ Property / Symbols used: cotangent function / rank @@
+Normal rank
@@ Property / Symbols used: cotangent function / qualifier @@
+Defining formula:  ${\displaystyle{\displaystyle\cot\NVar{z}}}$ 
\cot@@{\NVar{z}}
@@ Property / Symbols used: cotangent function / qualifier @@
+xml-id: C4.S14.E7.m2addec