JEE Main 2019
Inverse Trigonometric Functions
Inverse Trigonometric Functions
Easy
Question
All x satisfying the inequality (cot –1 x) 2 – 7(cot –1 x) + 10 > 0, lie in the interval :
Options
Solution
cot 1 x > 5, cot 1 x < 2 x < cot5, x > cot2
All x satisfying the inequality (cot –1 x) 2 – 7(cot –1 x) + 10 > 0, lie in the interval :
cot 1 x > 5, cot 1 x < 2 x < cot5, x > cot2