Question

Simplify the following expressions: \text { (a) }\left(\frac{\sin t}{t^{2}+2}\right) \delta(t) \text { (b) }\left(\frac{j \omega+2}{\omega^{2}+9}\right) \delta(\omega) \text { (c) }\left[e^{-t} \cos \left(3 t-60^{\circ}\right)\right] \delta(t)

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