Q64. Which of the following expressions is equivalent to the trigonometric identity for sin(2a)?Mathematics — NUST Mock 5 — Question 64 of 200A. cos2(a) - sin2(a)B. 2 sin2(a) + 1C. 2 sin(a) cos(a)D. sin(a) cos(a)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →