2025 IGCSE Additional Mathematics October/November 0606/21 Q13

2025 IGCSE Additional Mathematics October/November 0606/21 Q13

6 marks

Solve the equation \(2\sin^3\theta=3\sin\theta\cos\theta\) for \(-\dfrac\pi2\le\theta\le\dfrac\pi2\).[6]

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Answer:\(\theta=-\dfrac\pi3,0,\dfrac\pi3\)

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