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CBSE Class 12 Math 2023 Delhi Set 3 Solved Paper

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Question : 8 of 12
Marks: +1, -0
Find the value of tan1[2cos(2sin112)]+tan11\tan^{-1} \left[ 2 \cos \left( 2 \sin^{-1} \frac{1}{2} \right) \right] + \tan^{-1} 1.
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