Revision as of 15:47, 4 September 2008 by Han45 (Talk)

I assumed $ x(t)=\cos(4t) $ and time interval 0 to $ 5\pi $

Energy

$ x(t) = \cos(4t) $

$ \int_{t1}^{t2} |x(t)|\, dt $

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Abstract algebra continues the conceptual developments of linear algebra, on an even grander scale.

Dr. Paul Garrett