Question

3. A discrete-time signal x [n] is known to be a sinusoid x [n] = A cos (@on + p) The values of x [n] are tabulated below for 0 ≤

n ≤ 4: no 1 2 3 x [n] 2.4271 2.9002 | 2.9816| 2.6603 1.9798 Plot x [n], then determine the numerical values of A, , and o

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