Trigonometrie

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(Summen und Differenten)
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== Summen und Differenten ==
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== Summen und Differenzen ==
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<math>\sin\alpha + \sin\beta = 2 \sin\frac{\alpha+\beta} 2 \cos\frac{\alpha-\beta} 2</math>
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<math>\sin\alpha - \sin\beta = 2 \cos\frac{\alpha+\beta} 2 \sin\frac{\alpha-\beta} 2</math>
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<math>\cos\alpha + \cos\beta = 2 \cos\frac{\alpha+\beta} 2 \cos\frac{\alpha-\beta} 2</math>
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<math>\cos\alpha - \cos\beta = -2 \sin\frac{\alpha+\beta} 2 \sin\frac{\alpha-\beta} 2</math>
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{|width=400
 
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|<math>\sin\alpha + \sin\alpha = 2 \sin\frac{\alpha+\beta} 2 \cos\frac{\alpha-\beta} 2</math>
 
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[[category:Mathematik]]
[[category:Mathematik]]

Revision as of 21:43, 16 September 2008

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

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Personal tools