Lösung 4.3:4a
Aus Online Mathematik Brückenkurs 1
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| - | The Pythagorean identity | + | The Pythagorean identity <math>\cos^2 v + \sin^2 v = 1</math> gives us directly that |
| - | <math>\cos ^ | + | |
| - | gives us directly that | + | |
| - | + | {{Displayed math||<math>\sin^2 v = 1-\cos^2 v = 1-b^2\,\textrm{.}</math>}} | |
| - | <math>\sin ^ | + | |
Version vom 14:07, 9. Okt. 2008
The Pythagorean identity \displaystyle \cos^2 v + \sin^2 v = 1 gives us directly that
