5. (30 points) Differentiate and simplify. Show work! (a) y = In(sec r) (b) y = e - + cos(e) (c) y = (d) y = sin" ( cos( v sin(Tz))) 1 (f) y = (2 - 1)(3 - 4) (T - 2) (2 - 3) 6. (10 points) Let h(2) = f(r)g(r) and k(x) = (fog)(z). Suppose f (2) - 3, 9(2) = 5, g'(2) = 4, f'(2) = -2, and f'(5) = 11. (a) Find h'(2). (b) Find k(2)