tan⁡−1[2cos⁡(2sin⁡−112)]\tan^{-1} \left[ 2 \cos \left( 2 \sin^{-1} \frac{1}{2} \right) \right]

Mathematics

Problem

tan⁡−1[2cos⁡(2sin⁡−112)]\tan^{-1} \left[ 2 \cos \left( 2 \sin^{-1} \frac{1}{2} \right) \right]

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