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== Energy == | == Energy == | ||
<math>E=\int_0^{2\pi}{|sin(t)|^2dt}</math><br> | <math>E=\int_0^{2\pi}{|sin(t)|^2dt}</math><br> | ||
| − | <math> =\int 0^(2\pi){(1+sin(2t))/ | + | <math> =\int 0^(2\pi){frac((1+sin(2t)))/(2)dt)</math> |
Revision as of 18:24, 2 September 2008
x(t) = sin t
Energy
$ E=\int_0^{2\pi}{|sin(t)|^2dt} $
$ =\int 0^(2\pi){frac((1+sin(2t)))/(2)dt) $
