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for both problems, I need to determine if the signal is periodic. If it is, we have to find the fundamental period, and fundamental frequency.


Problem 3 (10 Points). Consider the signals:
1. x(t) = 5sin(15t - ? ) + 2 sin (7t)
2. x(t) = cos(nt) + 5e-j15t + sin(7t)
* Dr. Ambrose A. Adegbege

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