Prove that: sin 3x sin 2x – sin x = 4sin x cos x2cos 3x2 - Mathematics | Shaalaa.com
Prove that: sin 3x sin 2x – sin x = 4sin x cos x2cos 3x2 - Mathematics | Sha…
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Misc 5 - Prove sin x sin 3x sin5x sin 7x = 4 cos x
Misc 5 - Prove sin x sin 3x sin5x sin 7x = 4 cos x
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Ex 3.3, 20 - Prove sin x - sin 3x / sin2 x - cos2 x = 2 sin x
Ex 3.3, 20 - Prove sin x - sin 3x / sin2 x - cos2 x = 2 sin x
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Misc 7 - Prove sin 3x sin2x - sin x = 4 sin x cos x/2 cos 3x/2
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Misc 2 - Prove (sin 3x + sin x) sin x + (cos 3x - cos x)
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Example 17 - Prove sin 5x - 2 sin 3x + sin x / cos 5x - cos x
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Ex 3.3, 19 - Prove sin x sin 3x / cos x cos 3x = tan 2x
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Ex 3.3, 16 - Prove that cos 9x - cos 5x / sin 17x - sin 3x
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