Evaluate: (i) `sqrt(1-cos2x)\ dx` (ii) `intsqrt(1+sin2x)\ dx`

Explanation

Solution:

(i)

=`\int \frac{\sqrt{-x+2 \sin 2 x} d x}{\sqrt{2} \int \sin x d x} `

=`\quad \int \sqrt{2} \cos x+C`



(ii)

=`\int \sqrt{\cos ^{2} x+\sin ^{2} x+2 s)^{2})(\cos x) d x `

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