Mathematics

Evaluate the integral, $$\int _{ 0 }^{ 1 }{ \cos { \left( 2\cot ^{ -1 }{ \sqrt { \dfrac { 1-x }{ 1+x }  }  }  \right)  }  } dx=$$


ANSWER

$$-1/2$$


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Single Correct Hard Published on 17th 09, 2020
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