Trigonometrie

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(Summen und Differenzen)
Current revision (21:47, 16 September 2008) (view source)
(Produkt -> Summen oder Differenz)
 
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== Produkt -> Summen oder Differenz ==
== Produkt -> Summen oder Differenz ==
-
<math>2 \sin\alpha \sin\beta = \cos(\alpha-\beta} - \cos(\alpha+\beta)</math>
+
<math>2\,\sin\alpha \sin\beta = \cos(\alpha-\beta} - \cos(\alpha+\beta)</math>
 +
 
 +
<math>2\,\cos\alpha \cos\beta = \cos(\alpha-\beta} + \cos(\alpha+\beta)</math>
 +
 
 +
<math>2\,\sin\alpha \cos\beta = \sin(\alpha-\beta} + \sin(\alpha+\beta)</math>
[[category:Mathematik]]
[[category:Mathematik]]

Current revision

Contents

Definitionen

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Symmetrieen

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trigonometrische Äquivalenzen

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Additionstheoreme

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doppelte Winkel

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halbe Winkel

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Summen und Differenzen -> Produkt

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Produkt -> Summen oder Differenz

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