Trigonometrie
From SkyWiki
(Difference between revisions)
(→trigonometrische Äquivalenzen) |
(→trigonometrische Äquivalenzen) |
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|<math>\cot(-\varphi) = -\cot(\varphi)</math> | |<math>\cot(-\varphi) = -\cot(\varphi)</math> | ||
|- | |- | ||
| - | |<math></math> | + | |<math>\sin(90^\circ-\varphi) = \cos(\varphi)</math> |
| + | |<math>\cos(90^\circ-\varphi) = \sin(\varphi)</math> | ||
| + | |- | ||
| + | |<math>\tan(90^\circ-\varphi) = \cot(\varphi)</math> | ||
| + | |<math>\cot(90^\circ-\varphi) = \tan(\varphi)</math> | ||
|} | |} | ||
<math>\sin^2(\varphi) + \cos^2(\varphi) = 1</math> | <math>\sin^2(\varphi) + \cos^2(\varphi) = 1</math> | ||
| - | + | ||
<math>\tan(\varphi) \cdot \cot(\varphi) = 1, \quad \varphi \ne k\cdot 90 ^\circ</math> | <math>\tan(\varphi) \cdot \cot(\varphi) = 1, \quad \varphi \ne k\cdot 90 ^\circ</math> | ||
Revision as of 21:09, 16 September 2008
trigonometrische Äquivalenzen
