Find the Z-transform of cosωn u(n).
Posted: Thu Jul 14, 2022 11:09 am
a) \(\frac{z(z+cosω)}{z^2-2z cosω+1}\)
b) \(\frac{z(z-cosω)}{z^2-2z cosω+1}\)
c) \(\frac{z(z-cosω)}{z^2+2z cosω+1}\)
d) \(\frac{z(z+cosω)}{z^2+2z cosω+1}\)
b) \(\frac{z(z-cosω)}{z^2-2z cosω+1}\)
c) \(\frac{z(z-cosω)}{z^2+2z cosω+1}\)
d) \(\frac{z(z+cosω)}{z^2+2z cosω+1}\)