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A signal x (t) is given by x(t) = 1, -T/4<t≤3T/4 = -1, 3T/4<t≤7T/4 = -x (t+T) Which among the following gives the f

Posted: Thu Jul 14, 2022 11:09 am
by answerhappygod
a) \(\frac{4}{π} cos⁡(\frac{πt}{T} + \frac{π}{4})\)
b) \(\frac{4}{π} cos⁡(\frac{πt}{T} – \frac{π}{4})\)
c) \(\frac{4}{π} sin⁡(\frac{πt}{T} – \frac{π}{4})\)
d) \(\frac{4}{π} sin⁡(\frac{πt}{T} + \frac{π}{4})\)