Question

Question #42f0e

Answer 1

`y'=-sinx lnsqrtx+frac{cosx}{2x}`

Explanation:

`y=(cosx)(lnsqrtx)`

Using the product rule:
`y'=(-sinx)(lnsqrtx)+(cosx)(frac{1/2x^(-1/2)}{x^(1/2)})`

`y'=-sinx lnsqrtx+frac{cosx}{2x}`