Suppose we are given the following information about signal ????(????): 1. ????(????) is real and odd 2. ????(????) is periodic with period T = 6 and has the Fourier coefficients, ???? ???? 3. ???? ???? = 0 for |k|>1 4. 1 6 ? 0 6 |????(????)| 2 = 6 Specify two different signals that satisfy these conditions.