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प्रश्न
Which identity is used for \(\sin^3 x\)?
विकल्प
\(\sin 3x = 3\sin x - 4\sin^3 x\)
\(\sin^3 x = 3\sin x - 4\sin 3x\)
\(\sin 3x = 3\sin x + 4\sin^3 x\)
\(\cos 3x = 3\cos x - 4\cos^3 x\)
MCQ
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उत्तर
The triple-angle identity \(\sin 3x = 3\sin x - 4\sin^3 x\) contains \(\sin^3 x\). It can be rearranged when integrating a cubic power of sine.
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