Let z = Arctan f(x) where f(0) = -1 and f'(0) = 6. Evaluate az at a = 0. da 02 01/2 04 0 3 None of these Question 3 (1.6 points) Let f(a) = tan (sec ac). Find the equation of the tangent line to the graph of fat ac = 0. Oy = Trac / 2 Oy = 71 / 4