In Exercises 5-10, find sin D, sin E, cos D, and cos E. Write each answer as a fraction and as a decimal rounded to four places. (See Example 1.) 5. X X XXX 6. D 37 12 12 In Exercises 19-24, find the value of each variable using E 35 F sine and cosine. Round your answers to the nearest D 15 E tenth. (See Example 3.) 19. 20. 7. D 45 8 64 18 34 X q 45 53 28 27 32 E 36 F 21. V 22. 9. D 26 E 10. D 15 W 26 71 5 S 13 13V3 17 8 43 E 23. b 24. Exercises 12-14, write the expression in terms of m 8 ine. comple 2.) 10 11. 37 48 50 n sin 29 4. sin 64