Question

Prove that :

tan(1/2sin^-12x/1+x² + 1/2cos^-1(1-x²/1+x²) = 2x/1-x²

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Answer 1

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Step-by-step explanation:-Is in this picture

#BAL

Solution is in this given attachment

$\pink{answer} = > \frac{2x}{1 + x {}^{2} }$

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