Q197. Which of the following is equivalent to sin(x+y)sin(x-y)?Mathematics — Trignometry — Question 197 of 479A. ½[sin(2x) - sin(2y)]B. ½[cos(2x) - cos(2y)]C. ½[cos(2y) - cos(2x)]D. ½[sin(2x) + sin(2y)]Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →