Evaluate: (i) `intsqrt((1-cos2x)/(1+cos2x))\ \ dx` (ii) `intsqrt((1+cosx)/(1-cosx))\ dx`

Explanation

i)

`I=\int \sqrt{\frac{1-\cos 2 x}{1+\cos 2 x}} `


`I=\int \sqrt{\frac{1-1+2 \sin ^{2} 24}{1+2 \cos ^{2} x-1}} d x `


`I=\int \sqrt{\tan ^{2} x} d x `


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