Lösung 4.3:4a
Aus Online Mathematik Brückenkurs 1
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- | {{ | + | The Pythagorean identity |
- | + | <math>\cos ^{2}v+\sin ^{2}v=1</math> | |
- | {{ | + | gives us directly that |
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+ | <math>\sin ^{2}v=1-\cos ^{2}v=1-b^{2}</math> |
Version vom 11:37, 29. Sep. 2008
The Pythagorean identity \displaystyle \cos ^{2}v+\sin ^{2}v=1 gives us directly that
\displaystyle \sin ^{2}v=1-\cos ^{2}v=1-b^{2}