Question: Problem 3. By inserting the result of Problem 2 into the inverse DFT formula, N-1 s(n) = N Skewken, n =0, 1, . .., N-

Problem 3. By inserting the result of Problem 2 into the

Problem 3. By inserting the result of Problem 2 into the inverse DFT formula, N-1 s(n) = N Skewken, n =0, 1, . .., N- 1 (4) K-0 show analytically that the square wave in Problem 1 admits the following expansion in terms of sinusoids: 0.4 s(n) = sin(win + W1 0.4 + sin (21 ) 2 sin(2) sin(wan +) + 0.2cos(wan)

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