Trigonometrie

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

Revision as of 21:34, 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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