Math, asked by amrita908, 9 months ago

Prove that cos 2x cos 3x-cos2x cos 7x+cos x cos 10x÷sin 4x sin 3x-sin 2x sin 5x+sin 4x sin 7x= cot 6x cot 5x

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Answered by patelgs820

3

Answer:

142537484992737388ejdhd

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