IIT JEE , AIEEE Forum - Mathematics , Trignometry - Which of the following is the solution set of the folllowing?

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Community Discussion Question: Which of the following is the solution set of the folllowing?

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21 Sep 2008 19:10:21 IST

Subject: Which of the following is the solution set of the folllowing?

amitp91 (318)

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Which of the following is the solution set of the folllowing 2cos ^-1x=cot ^-1 2x²-1 / 2x

A) (0,1)

B) (-1,1) - {0}

C)( -1,0)

D)[-1, 1]

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