7) Compute the convolution y(t) = x(t) * h(t) of the following pairs of signals (30pts):
(a) x(t) = A sin(ωt), h(t) = 2e^(-2t)u(t)
(b) x(t) = 1, 0 < t < 1; x(t) = -1, 1 < t < 2; x(t) = 0, otherwise
Determine the output y(t) via convolution of x(t) and h(t).