DLMF:4.21.E9 (Q1711): Difference between revisions

Latest revision as of 18:25, 1 January 2020

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Language	Label	Description	Also known as
English	DLMF:4.21.E9	No description defined

{\displaystyle{\displaystyle\cos u-\cos v=-2\sin\left(\frac{u+v}{2}\right)\sin% \left(\frac{u-v}{2}\right).}}

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DLMF:4.21.E9

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

C4.S14.E2.m2afdec

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{\displaystyle{\displaystyle\sin\NVar{z}}}

C4.S14.E1.m2aedec

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@@ Property / Symbols used @@
+sine function
@@ Property / Symbols used: sine function / rank @@
+Normal rank
@@ Property / Symbols used: sine function / qualifier @@
+Defining formula:  ${\displaystyle{\displaystyle\sin\NVar{z}}}$ 
\sin@@{\NVar{z}}
@@ Property / Symbols used: sine function / qualifier @@
+xml-id: C4.S14.E1.m2aedec