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Prove That: (Sin 3x + Sin X) Sin X + (Cos 3x – Cos X) Cos X = 0 - CBSE (Arts) Class 11 - Mathematics

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Question

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

Solution

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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2018 to Current)
Chapter 3: Trigonometric Functions
Q: 2 | Page no. 81

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Solution Prove That: (Sin 3x + Sin X) Sin X + (Cos 3x – Cos X) Cos X = 0 Concept: Signs of Trigonometric Functions.
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