Use the Inverse Fast Fourier Transform to reassemble the sampled function data corresponding to the following discrete

Question:

Use the Inverse Fast Fourier Transform to reassemble the sampled function data corresponding to the following discrete Fourier coefficients. Carefully indicate each step in your analysis.
(a) c0 = c2 = 1, c1 = c3 = - 1
(b) c0 = c1 = c4 = 2, c2 = c6, = 0, c3 = c5 = c5 = - 1