Question:medium

Match each entry in List-I to the correct entry in List-II and choose the correct option.

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Useful identities: \[ \cos3x=4\cos^3x-3\cos x \] and \[ \cos^2\frac{x}{2}=\frac{1+\cos x}{2} \]

Updated On: May 20, 2026

\(P \to (2),\ Q \to (5),\ R \to (3),\ S \to (4)\)
\(P \to (5),\ Q \to (3),\ R \to (2),\ S \to (4)\)
\(P \to (5),\ Q \to (4),\ R \to (1),\ S \to (3)\)
\(P \to (4),\ Q \to (3),\ R \to (2),\ S \to (5)\)

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The Correct Option is D

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