C-08-Q187mediumsingle_mcqIf cotα=−3\cot\alpha = -\sqrt{3}cotα=−3 and 3π2<α<2π\dfrac{3\pi}{2} < \alpha < 2\pi23π<α<2π, then α\alphaα equals —a5π6\dfrac{5\pi}{6}65πb7π6\dfrac{7\pi}{6}