If p and q are the roots of the equation x 2 - sin 2 θx - cos 2 θ = 0, then what is the minimum value of p 2 + q 2 ?

UPSC CDS II 2024 Math Paper

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If p and q are the roots of the equation x² - sin²θx - cos²θ = 0, then what is the minimum value of p²+ q²?

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