Question: (a) If z = -1 + jv3, find the integer number a such that arg z (z + a)] = .Fill in the blank below:

(a) If z = -1 + jv3, find the integer number a such that arg z (z + a)] = .Fill in the blank below: a (b) Given a complex number z = cos 0 + j sin 0, fill in the blanks below: (i) z" + - cos(n0) (give your answer as integer value) . (ii) cos3 (0) = 23 + 32 + + 7 (correct your answer to 3 decimal places)

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