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== I assumed <math>x(t)=\cos(4t)</math> and time interval 0 to <math>5\pi</math> == | == I assumed <math>x(t)=\cos(4t)</math> and time interval 0 to <math>5\pi</math> == | ||
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| + | == Energy == | ||
| + | <math>x(t) = \cos(4t)</math> | ||
| + | |||
| + | <math>\int_{t1}^{t2} |x(t)|\, dt</math> | ||
Revision as of 15:47, 4 September 2008
I assumed $ x(t)=\cos(4t) $ and time interval 0 to $ 5\pi $
Energy
$ x(t) = \cos(4t) $
$ \int_{t1}^{t2} |x(t)|\, dt $
