Show that the signal 7 cos(9.6πn + 0.2π) is an alias of the signal 7 cos(0.4πn −0.2π). It might be instructive to make MATLAB stem plots of these two signals to verify that the phase must change sign to have identical plots.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.