JEE Main 2019 Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Main 2019

Let α and β be the roots of the quadratic equation (0 < θ < 45º), and α < β. Then is equal to:

Answer: (B)

Solution

Roots cos θ and 1/sin θ (α = cos θ): .

Question ID VK-010443