Question: plot these using MATLAB and determine if it's periodic or not. = = n a) x(t) = cos(5t) b) x[n] = cos(5n) 21 c) x[n]

plot these using MATLAB and determine if it's periodic or not.

plot these using MATLAB and determine if it's periodic or not.

= = n a) x(t) = cos(5t) b) x[n] = cos(5n) 21 c) x[n] = cos(5N) x 5 4nt d) x[n] = cos(5 n) 2 V2 -n 5 = e) x[n] = cos(vzorn 5

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