X 2 x- 2 x 3 x- 3 x x-1

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Sine Rule

x 2 x- 2 x 3 ...

Question

cot x cot 2x – cot 2x cot 3x – cot 3x cot x = 1

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Solution

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Similar questions

cot x cot 2 x - cot 2 x cot 3 x - cot 3 x cot x = 1

Prove that cot x cot 2x – cot 2x cot 3x – cot 3x cot x = 1

Prove the following:
cot x cot 2x - cot 2x cot 3x - cot 3x cot x = 1

21 x (x^{2} - 1) a n d 3 x^{3} (x + 1)

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