Q86. Simplify: (cos 20° + i sin 20°)5 ÷ (cos 30° + i sin 30°)3Mathematics — NUST Mock 10 — Question 86 of 200A. cos 20° + i sin 20°B. cos 30° + i sin 30°C. cos 10° + i sin 10°D. cos 10° - i sin 10°Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →