3. The point P (x,y) on the unit circle that corresponds to a real number f is given. Find the value of the indicated trigonometric function at L Find sin t. 3 1/7 OA. O B 3 OC 7 5. A boat leaves the entrance of a harbor and travels 15 miles on a bearing of N 10" E. How many miles north and how many miles east from the harbor has the boat traveled? O A. 2.6 miles north and 14.8 miles east O B. 85.1 miles north and 2.6 miles east O C. 15 miles north and 15 miles east O D. 14.8 miles north and 2.6 miles east 12. A weight attached to a spring is pulled down 2 inches below the equilibrium position. Assuming that the frequency of the system is yepis cycles per second, determine a trigonometric model that gives the position of the weight at time f seconds. O A. y = 2/cos3f O B. y = 2cos61 O C. y =-2cost O D. y=-2cost7. Find the exact value of the indicated trigonometric function of 9. 75 COSO = WIN tand = 2 Find sin e. O A. -5 3 O C. _VS 2 O 14. Use the Pythagorean Theorem to find the length of the missing alde. Then find the Indicated trigonometric function of the given angle. Give an exact answer with a rational denominator. Find cot 9. B 6 C O A. OB. O c. 7V85 85 85 19. From a boat on the river below a dam, the angle of elevation to the top of the dam is 25". If the dam is 2,039 feet above the level of the river, how far Is the boat from the base of the dam (to the nearest foot)? O A. 4.370 feet O B. 4,738 feet O C. 4.373 feet O D. 4,730 feet