Find
(i) The sample values, and
(ii) The trigonometric interpolant corresponding to the following discrete Fourier coefficients:
(a) c-1 = c1 = 1, c0 = 0
(b) c-2 = c0 = c2 = 1, c-1 = c1 = - 1
(c) c-2 = c0 = c1 = 2, c-1 = c2 = 0
(d) c0 = c2 = c4 = 1, c1 = c3 = c5 = - 1