JEE Main 201911 Jan, Evening shiftMathematicsEasyTrigonometry118× since 2002All x satisfying the inequality (cot^–1 x)²– 7(cot^–1 x) + 10 > 0, lie in the interval :AOption A. (cot 2, ∞\infty∞)BOption B. (–∞\infty∞, cot 5) ∪\cup∪ (cot 2, ∞\infty∞)COption C. (cot 5, cot 4)DOption D. (– ∞\infty∞, cot 5) ∪\cup∪ (cot 4, cot 2)CheckSkip · show solution
