Prove that 4 xsin 5 x-sin 3 x- xsin 5 x-sin 3 x

L.H.S = cot 4x (sin 5x + sin 3x) = 2 cos 4x cos x R.H.S. = cot x (sin 5x – sin 3x) = 2 cos 4x. cos x L.H.S. = R.H.S. ...

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Implicit Differentiation

Prove that 4 ...

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Prove that cot 4x (sin 5x + sin 3x) = cot x (sin 5x – sin 3x)

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cot 4x (sin 5x + sin 3x) = cot x (sin 5x – sin 3x)

cot 4 x (sin 5 x + sin 3 x) = cot x (sin 5 x - sin 3 x)

c o t 4 x (s i n 5 x + s i n 3 x) = c o t x (s i n 5 x - s i n 3 x)

\sin 3 x + \sin 2 x - \sin x = 4 \sin x \cos \frac{x}{2} \cos \frac{3 x}{2}

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