Q52. For which interval of values for 'a' are the roots of the quadratic equation (sin a)x2 + (sin a)x + (1 - cos a) = 0 real and distinct?Mathematics — NUST Mock By IBAGRADS 5 — Question 52 of 200A. (0, 2 tan-1(1/4))B. (0, 2π/3)C. (0, π)D. (0, 2π)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →