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• 19:38, 27 December 2024 Admin talk contribs created page Mathe (Created page with "== Trigonometrie == === Herleitung der Addtitionstheoreme === #[http://walter.bislins.ch/blog/index.asp?page=Eulerformel%3A+Herleitung+trigonometrischer+Additionstheoreme Blogeintrag] #[https://de.wikibooks.org/wiki/Beweisarchiv:_Geometrie:_Trigonometrie:_Additionstheoreme:_Sinus Wikibooks]")
• 19:36, 27 December 2024 Admin talk contribs deleted page Mathe (content was: "{{:Beweisarchiv: Geometrie: TOPNAV}} ==Additionstheoreme (Sinus)== 400px|right '''Beweis für:''' <font color="gray">200px Zum Vergrößern auf das Bild klicken</font> <math>\sin (\alpha \pm \beta ) = \sin \alpha \cdot \cos \beta \pm \sin \beta \cdot \cos \alpha</math> Im rechtwinkligen Dreieck <math> \triang...", and the only contributor was "Admin" (talk))
• 17:39, 27 December 2024 Admin talk contribs created page Mathe (Created page with "{{:Beweisarchiv: Geometrie: TOPNAV}} ==Additionstheoreme (Sinus)== 400px|right '''Beweis für:''' <math>\sin (\alpha \pm \beta ) = \sin \alpha \cdot \cos \beta \pm \sin \beta \cdot \cos \alpha</math> Im rechtwinkligen Dreieck <math> \triangle {AOB} </math> ist '''<big>(1)</big>'''  <math>\sin (\alpha + \beta ) = \frac{{\overline {AB} }}{1} = \overline {AB}</math> Im rechtwinkligen Dreieck <math> \triangle {BOD} </math>...")