21. A f 13. Find a positive and negative coterminal angle 14. Find a positive and negative coterminal angle for 1330 for 5TT 3 15. Find sec(37.1479.). Round to the thousandths 16. Find the csc(2.89). Round to the tenths place. place. State the reference angle. Answer in the same unit of the problem. 17. 3290 18. 24TT 17 Use the given information to answer the question(s). 19. A 90 feet cable attached to the top of a pole is staked in the ground 20 feet from the foot of the pole. Determine the angle of elevation made between the ground and the top of the pole. Round to the nearest degree. 20. From a point 100 feet above the ground, Tim spots a Smurf and a Troll standing some distance apart in the grass. If the angles of depression to the mythical creatures are 3714'26" and 42.56, determine the distance between the Smurf and the Troll to the nearest tenth