JEE Main 20249 Apr, Evening shiftMathematicsMediumIntegral Calculus369× since 2002The integral \int_\limits{1 / 4}^{3 / 4} \cos \left(2 \cot ^{-1} \sqrt{\frac{1-x}{1+x}}\right) d x is equal toAOption A. −1/2-1/2−1/2BOption B. −1/4-1/4−1/4COption C. 1/4DOption D. 1/2CheckSkip · show solution
