Trigonometrie

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(doppelte und halbe Winkel)
(halbe Winkel)
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== halbe Winkel ==
== halbe Winkel ==
-
<math>\sin^2\frac\alpha 2 = </math>
+
<math>\sin^2\frac\alpha 2 = \frac 1 2 (1 - \cos\alpha)</math>
 +
 
 +
<math>\cos^2\frac\alpha 2 = \frac 1 2 (1 + \cos\alpha)</math>
 +
 
 +
<math>\tan^2\frac\alpha 2 = \frac {1 - \cos\alpha}{1 + \cos\alpha}</math>
 +
 
[[category:Mathematik]]
[[category:Mathematik]]

Revision as of 21:31, 16 September 2008

Contents

trigonometrische Äquivalenzen

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Additionstheoreme

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doppelte Winkel

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halbe Winkel

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