JEE MATHEMATICS MCQ: TRIGONOMETRIC EQUATIONS

1 Easy

1 of 1

Analyzing +4 | -1

2 \cos ^2 \frac{x}{2} \sin ^2 x=x^2+x^{-2}

0 < x \leq \frac{\pi}{2}

, then

x

is equal to

View answer and explanation

Correct option: A

\phi

Option A (

\phi

) is correct because the LHS is always less than 2, while the RHS is always greater than or equal to 2, so there is no solution.

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