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Honors Geometry Advanced Trigonometry Review Worksheet for Lessons 1-4 Information is given about an angle, θ, whose terminal ray passes through the point (x,y). Find sin θ, cos θ, and tan θ. 1. 2. 3. 4. 5. 6. x = 6. y = 8. x = -5. r = 13. Terminates in Quad III. y = 8. r = 17. Terminates in Quad II. x = 6. r = 8. Terminates in Quad IV. x = 2. y = 2. y = 7. r = 7 Give a reference angle for the given angle. 25. 26. 27. 28. 29. 30. 140 250 333 493 -105 -347 Give an angle, with measure greater than or equal to 0 and less than 360, which is co-terminal with the angle given. Express the quantity in terms of a reference angle. Example : cos 100 = - cos 80 7. 8. 9. 10. 11. 12. 31. 32. 33. 34. 35. 36. 386 -125 789 -1200 486.8 -84.2 Identify the quadrant in which the angle terminates. If it is a quadrant angle, say so. 13. 236 14. 312 15. 80 16. 467 17. -212 18. -540 Identify the quantity as positive (P), negative (N), zero (Z), or undefined (u). 19. 20. 21. 22. 23. 24. sin 25 cos 216 tan 352 sin 180 cos -90 tan 270 sin 134 cos 342 tan 249 sin -129 cos -236 tan 555 Give an exact value for the quantity. 37. sin 90 38. cos 150 39. tan 225 40. sin 315 41. cos 60 42. tan 120 43. sin 390 44. cos -90 45. tan 630 46. sin -45 47. cos -120 48. tan -180