CBSE BOARD XII, asked by uttamparashar113, 2 days ago

Prove that cotx cot2x-cot2x6+3x-cot3x6+x =1

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Answered by ranjukumari88sindri

1

Answer:

Prove that cotx.cot2x - cot2x.cot3x - cotx.cot3x = 1

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