Glenn is 35 feet from the base of a rocket, looking up at the tip of its nose cone, which is 80 feet higher than the level of Glenn's eyes. The angle of elevation of Glenn's line of sight is the angle 0 between his line of sight and an imaginary horizontal line parallel to the ground. line of sight 80 ft 35 ft Which of the following is the correct expression for 0? A. 0 = arctan 80 O B. 0 = arccos O C. 0 = arctan (80 35 O D. 0 = arccos 80 35