The z-transform of cos(\(\frac{π}{3}\) n) u[n] is __________
Posted: Thu Jul 14, 2022 11:06 am
a) \(\frac{z}{2} \frac{(2z-1)}{(z^2-z+1)}\), 0<|z|<1
b) \(\frac{z}{2} \frac{(2z-1)}{(z^2-z+1)}\), |z|>1
c) \(\frac{z}{2} \frac{(1-2z)}{(z^2-z+1)}\), 0<|z|<1
d) \(\frac{z}{2} \frac{(1-2z)}{(z^2-z+1)}\), |z|>1
b) \(\frac{z}{2} \frac{(2z-1)}{(z^2-z+1)}\), |z|>1
c) \(\frac{z}{2} \frac{(1-2z)}{(z^2-z+1)}\), 0<|z|<1
d) \(\frac{z}{2} \frac{(1-2z)}{(z^2-z+1)}\), |z|>1