cot−1(√1+sin x+√1−sin x√1+sin x−√1−sin x)=x2,xϵ(0,π4 – InterviewSolution

1.	cot−1(√1+sin x+√1−sin x√1+sin x−√1−sin x)=x2,xϵ(0,π4)
Answer» $c o t^{- 1} (\frac{\sqrt{1 + s i n x} + \sqrt{1 - s i n x}}{\sqrt{1 + s i n x} - \sqrt{1 - s i n x}}) = \frac{x}{2}, x ϵ (0, \frac{π}{4})$

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