Trigonometrie
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<math>\tan(\alpha - \beta) = \frac{\tan\alpha - \tan\beta} {1 + \tan\alpha\, \tan\beta}</math> | <math>\tan(\alpha - \beta) = \frac{\tan\alpha - \tan\beta} {1 + \tan\alpha\, \tan\beta}</math> | ||
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| + | == doppelte und halbe Winkel == | ||
[[category:Mathematik]] | [[category:Mathematik]] | ||
Revision as of 21:24, 16 September 2008
trigonometrische Äquivalenzen
Additionstheoreme
