Question: solve the second part please 4. If P = cos 0 + i sin 0, q = cos o + i sin o, show that

solve the second part please 4. If P = cos 0

solve the second part please

4. If P = cos 0 + i sin 0, q = cos o + i sin o, show that (P + q) (Pq - 1) sin 0 + sin o P - 9 - i tan 0 - Q (i) (ii) = 2 (P - q) (Pq + 1) sin 0 - sin o P +

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