Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0

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Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0
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Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0 Prove that: 2. (sin 3x + sin x) sin x + (cos 3x – cos x) cos x = 0 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class [...]
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