Which of the following is the result of differentiating both sides of the equation x sin(y) = In(x) +y with respect to ? ( y' denotes the derivative with respect to x .) O sin(y) . y = + 2y. y' O cos(y) . y' = -+ 2y. y' O x cos(y') = - + 2y. 3' O cos(y) + x sin(y) . y'= + 2y. y' O sin(y) + x cos(y) . y = - + 2y.y