Q18. Given z = ( (cos30° + isin30°) / (cos40° + isin40°) )3, what is the value of z?Mathematics — NUST Mock By Dogers 3 — Question 18 of 200A. i(iω)B. -cis20°C. ωcis20°D. ω2iPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →