Find the Laplace transform of the following functions. (a) f(1) = { 1 1 28 3 0 ≤ 8 20 ≤ t < 10 (b) (c) f(t) = o tz 10 { } t≥ f(1) = {cos[5(1-7 0 ≤ t < 7/8 cos[5(1-7/8)] 1 ≥ 7/8

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