# Relating Trigonometry And Rational Functions

Geometry Level 2

$2 \cos^{2}\frac{x}{2} \sin^{2}x = x^{2} + \frac{1}{x^{2}}$

where $0 \leq x \leq \frac{\pi}{2}$. What is the number of real root(s) of the above equation?

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