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Q6. (10 Points) Express x(t) = cos 9t + v3 sin It into the form of A cos(wt + () and determine the frequency of

Q6. (10 Points) Express x(t) = cos 9t + v3 sin It into the form of A cos(wt + () and determine the frequency of the motion (v = ~), the phase factor ( ), and the amplitude (A)

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