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Question: 9 what is sin if is in standard...

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(9) What is sin θ if θ is in standard position and (2-7) is on its terminal side?(14) If 1-2 - 3i and 22 3i, find (a) zil (b) z122 21 (15) For what r and θ does r(cos θ+ i sin θ) 8? (16) If ž (cos 30° + i sin 30°), find a value of n, nメ0, for which zn-1.

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