(→Energy) |
(→Energy) |
||
| Line 2: | Line 2: | ||
== 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){frac | + | <math> =\int 0^(2\pi){\frac(1+sin(2t))/(2)dt)</math> |
Revision as of 19:24, 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) $
