Determine whether the given signals are periodic

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Reference no: EM13250195

Determine whether the following signals are periodic. If they are, find the smallest periods (fundamental periods).

a) f(x,y) = sin (2 pi x) cos(4 pi y)

b) Discrete signal: f(m,n) = sin ( pi * m / 5) cos(pi * n / 5)

Reference no: EM13250195

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