Define x(t) as
x(t) = 2sin(ωo + 45°) + cos (ω0t)
(a) Express x(t) in the form.x(t) = A cos(ωot + φ).
(b) Assume thatωo = 5π. Make a plot of x(t) over the range - 1 ≤ t ≤ 2. How many periods are included in the plot?
(c) Find a complex-valued signal z(t) such that x(t) =Re{z(t)}.
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