Trigonometrie
From SkyWiki
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|<math>\tan^2\frac\alpha 2 = \frac {1 - \cos\alpha}{1 + \cos\alpha}</math> | |<math>\tan^2\frac\alpha 2 = \frac {1 - \cos\alpha}{1 + \cos\alpha}</math> | ||
| + | |} | ||
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| + | == Summen und Differenten == | ||
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| + | {|width=400 | ||
| + | |<math>\sin\alpha + \sin\alpha = 2 \sin\frac{\alpha+\beta} 2 \cos\frac{\alpha-\beta} 2</math> | ||
|} | |} | ||
[[category:Mathematik]] | [[category:Mathematik]] | ||
Revision as of 21:41, 16 September 2008
Contents |
Definitionen
Symmetrieen
trigonometrische Äquivalenzen
Additionstheoreme
doppelte Winkel
