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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>=\frac{\int_0^{2\pi}(1+cos(2t))dt}{2}</math> | <math>=\frac{\int_0^{2\pi}(1+cos(2t))dt}{2}</math> | ||
Revision as of 18:26, 2 September 2008
x(t) = sin t
Energy
$ E=\int_0^{2\pi}{|sin(t)|^2dt} $
$ =\frac{\int_0^{2\pi}(1+cos(2t))dt}{2} $
