Evaluate: (i) `int(sinx)/(sqrt(3+2cosx))\ dx`

Explanation

Let `3+2 cos x=t^{2}`

`=-2 sin x d x=2 t d t `

`=sin x d x=-t d t `

`=-int t d t / t=-int d t `

`=-t+c `

`=-sqrt{( 3+2 cos x)+c`