2. Find the Laplace transform of the following functions (a) $f(t) = 3 cos 2t - 5 sin 2t$ (b) $f(t) = t^3 + 3e^{4t}$
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So, the Laplace transform of 3cos 2t - 5 sin 2t is 3s/(s^2 + 4) - 10/(s^2 + 4) = (3s - 10)/(s^2 + 4). Show more…
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