feet long. = sin 69 0.9336 cos 69 = sin 65 0.9063 0.3584 cos 65 0.4226 = tan 69 2.6051 tan 65 = 2.1445 Tower Shadow R Use the information in the table to determine the approximate length of the shadow cast by the tower when the angle of elevation to the Sun is 65. A. 52.9 ft OB. 54.5 ft Scroll down to see more