4sinθ - 3cosθ = 0 என்றால், secθ.cosecθ: A) 5/12 B) 25/12 C) 13/12 D) 12/5

4 sin θ = 3 cos θ gives tan θ = 3/4, so sin θ = 3/5 and cos θ = 4/5. sec θ × cosec θ = (5/4)(5/3) = 25/12.