A boat is towed toward a dock by a cable attached to a winch that stands 10 ft above the water level see figure Let 8 be the angle of elevation of the winch and let L be the length of the cable as the boat is towed toward the dock Complete parts a to c below a What is the rate of change of 0 with respect to L dL de 10 E OA dL L 10 de O C dL de 10L 100 de 10L OB dL 2 10 de 10 OD dL LL 100 10 ft