Which of the following is equal totan 80° × tan 70° × tan 60°x.X – InterviewSolution

1.

Which of the following is equal totan 80° × tan 70° × tan 60°x.X tan 10°?(A) 13 (B)/2(C) 1(D) 0

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This question is wrongno Option tan80= cot 10tan 70= cot 20now tan 60= √3now tan and cot will be cancelledand Answer = √3

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