9. A small windmill has it center 6 In above the ground and blades 2 In in length. In a steady wind. at point P at the tip of one blade makes a complete rotation in 12 Seconds. Asswning the rotation begins at the highest possible point: [a] [2A] Determine a cosine function that models the height ofpoint P above the ground at met (b) [1A] Determine a sine function that models the height of P at time t. (c) [1A] Determine the height of point P after 40 seconds