Find the derivative of f(x) = sin (8x). (Express numbers in exact form. Use symbolic notation and fractions where needed.) =Find the derivative of g(x) = cos"1 (8x). (Express numbers in exact form. Use symbolic notation and fractions where needed.) w: H Find the derivative of the function. f(x) = sin"1 (6x 5) (Express numbers in exact form. Use symbolic notation and fractions where needed.) f'(x) = 4| Find the derivative of the function. f(x) = cos-1(x7) (Express numbers in exact form. Use symbolic notation and fractions where needed.) x) = \