COS + h V3 The limit lim 6 2 h+0 h represents the derivative of a function f at a number c. Determine f and c. a) Of (x) = cos(1/6 x x), c = V3 2 b) Of ( x ) = cos(x), c = c) Of (x) = - cos(x), c=. V3 2 d) Of (x) = cos(1/6 x X), C= TC e) Of (x) = cos(x), c= V3 2