Q70. If θ is the angle between the pair of lines represented by the equation x2 + 2xy sec(α) + y2 = 0, then θ is equal to:Mathematics — Analytic Geometry — Question 70 of 217A. 2αB. α/2C. αD. 0Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →