Integral of [h(t-pi/4) - h(t)] cos(2t) e^-st dt

limits of integration 0 to infinity

s > 0

need assistance.

regards

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- Apr 29th 2009, 03:58 AMjohn1985Laplace
Integral of [h(t-pi/4) - h(t)] cos(2t) e^-st dt

limits of integration 0 to infinity

s > 0

need assistance.

regards - Apr 29th 2009, 08:38 PMCaptainBlackQuote:

Integral of [h(t-pi/4) - h(t)] cos(2t) e^-st dt

limits of integration 0 to infinity

s > 0

$\displaystyle

\int_{t=0}^{\infty} u(t-k) \cos(2t) e^{-st} \ dt=\text{Re}\left[\int_{t=k}^{\infty} e^{(-s+2\text{i})t}~dt\right]

$

CB