Q70. If a point P(x, y) lies on the terminal side of an angle θ in standard position, and x + y = 0 (with x ≠ 0), which of the following trigonometric functions must be negative?Mathematics — NUST Mock 8 — Question 70 of 200A. tan θB. csc θC. cos θD. sec θPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →