DLMF:4.45.E16 (Q2025): Difference between revisions

Revision as of 19:27, 1 January 2020

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Language	Label	Description	Also known as
English	DLMF:4.45.E16	No description defined

{\displaystyle{\displaystyle e^{z}=e^{\Re z}(\cos\left(\Im z\right)+i\sin\left% (\Im z\right)).}}

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DLMF:4.45.E16

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

C4.S14.E2.m2aadec

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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.m2aadec