Q77. What is the value of the expression 3 sin 15° - 4 sin315°?Mathematics — NUST Mock 1 — Question 77 of 200A. 1B. (√3 - 1) / (2√2)C. 1/√2D. (√3 + 1) / (2√2)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →