1. Choose the angle that measures . A. B. C. D. Hint 2. Find the exact value of sin , cos , and tan if the terminal side of in standard position contains the point (5, 12). A. sin , cos , tan B. sin , cos , tan C. sin , cos , tan D. sin , cos , tan Hint 3. What is sin if is in standard position, its terminal side lies in quadrant IV, and sec ? A. B. C. D. Hint 4. Solve ABC. Round measures of the sides to the nearest tenth. A. B = 38.1°, C = 85.9°, c = 9.9 B. B = 38.1°, C = 85.9°, c = 8.3 C. B = 38.1°, C = 85.9°, c = 9.8 D. B = 38.1°, C = 85.9°, c = 1.1 Hint 5. Solve ABC. Round the measure of angles to the nearest tenth. A. A = 35.1°, B = 76.7°, C = 68.2° B. A = 76.7°, B = 86.2°, C = 35.1° C. A = 68.2°, B = 76.7°, C = 35.1° D. A = 76.7°, B = 68.2°, C = 35.1° Hint 6. Should the Law of Cosines or the Law of Sines be used to solve ABC? Explain. A. Law of Cosines because you know the measure of three sides. B. Law of Sines because you know the measure of two sides and the angle opposite one of the sides. C. Law of Cosines because you know the measure of two sides and the included angle. D. Law of Sines because you know the measure of a side and two angles. Hint 7. Solve. A. A = 17°, B = 73° B. A = 16°, B = 74° C. A = 16°, B = 164° D. A = 5°, B = 85° Hint 8. A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp? A. about 8° B. about 10° C. about 18° D. about 4° Hint 9. What is the radian measurement of 5°? A. B. C. D. Hint 10. Solve if A = 36°, B = 67°, and a = 8. A. b = 12.53, C = 77°, c = 4.83 B. b = 14.89, C = 77°, c = 17.11 C. b = 12.53, C = 77°, c = 13.3 D. b = 14.89, C = 77°, c = 16.8 Hint 11. The period of a function is which of the following? A. the range B. the domain C. least positive value of a for which f(x) = f(x + a) D. 360° Hint 12. What is the period of the function represented by the graph? A. 50 B. 25 C. 10 D. 150 Hint 13. Solve A. 45° B. 225° C. 315° D. 135° Hint 14. Which of the following is not necessarily true concerning the Arcsin function? A. Its range is the set of angle measures from B. Sin x = y if and only if Sin-1 x = y C. Its domain is the set of real numbers from –1 to 1. D. [Sin-1 Sin](x) = [Sin Sin-1](x) = x Hint