Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2

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Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2
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Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2 Prove that: 7. sin 3x + sin 2x – sin x = 4sin x cos x/2 cos 3x/2 October 24, 2021 Category: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
Posted in: Chapter 3 - Trigonometric Functions , Maths , NCERT Exemplar Class 11 ,
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