Q58. Which of the following expressions is equivalent to cos(4θ)?Mathematics — FAST Mock 6 — Question 58 of 120A. cos2(2θ) - sin2(2θ)B. (1 + cos(8θ)) / 2C. 2sin2(θ)cos(2θ)D. (1 - sin(2θ)) / (1 + cos(2θ))Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →