Study guide

Answer Section

1. ANS:

3rd quadrant

PTS: 1 OBJ: Determine in which quadrant an angle lies

2. ANS:

4th quadrant

PTS: 1 OBJ: Determine in which quadrant an angle lies

3. ANS:

PTS: 1 OBJ: Determine two coterminal angles (radians)

4. ANS:

PTS: 1 OBJ: Find the complement of an angle (radians)

5. ANS:

PTS: 1 OBJ: Find the complement of an angle (radians)

6. ANS:

2nd quadrant

PTS: 1 OBJ: Determine in which quadrant an angle lies

7. ANS:

3rd quadrant

PTS: 1 OBJ: Determine in which quadrant an angle lies

8. ANS:

PTS: 1 OBJ: Convert degree measure to radian measure

9. ANS:

PTS: 1 OBJ: Convert radian measure to degree measure

10. ANS:

PTS: 1 OBJ: Convert degree measure to radian measure

11. ANS:

PTS: 1 OBJ: Convert radian measure to degree measure

12. ANS:

feet

PTS: 1 OBJ: Find length of arc given radius and central angle

13. ANS:

PTS: 1 OBJ: Find the area of a sector given the radius and central angle

14. ANS:

–1.4973 cm

PTS: 1 OBJ: Values of trig functions at any angle

15. ANS:

PTS: 1 OBJ: Determine trig value from diagram

16. ANS:

0.8204

PTS: 1 OBJ: Evaluate trig values using calculator

17. ANS:

PTS: 1 OBJ: Determine theta without the use of calculator

18. ANS:

PTS: 1 OBJ: Determine value of variable using right-triangle trig

19. ANS:

=

PTS: 1 OBJ: Determine trig value from diagram

20. ANS:

PTS: 1 OBJ: Determine value of trig function given point on terminal side

21. ANS:

PTS: 1 OBJ: Determine value of trig function given point on terminal side

22. ANS:

Quadrant IV

PTS: 1 OBJ: Determine quadrant given constraints

23. ANS:

PTS: 1 OBJ: Solve trig equations

24. ANS:

PTS: 1 OBJ: Determine value of inverse trig function without a calculator

25. ANS:

PTS: 1 OBJ: Determine value of inverse trig function without a calculator

26. ANS:

PTS: 1 OBJ: Use inverse functions to solve for theta

27. ANS:

PTS: 1 OBJ: Find a third triangle given two pieces

28. ANS:

10.29

PTS: 1 OBJ: Find a third triangle given two pieces

29. ANS:

6.41

PTS: 1 OBJ: Find altitude of isosceles triangle given two parts of the triangle

30. ANS:

PTS: 1 OBJ: Use fundamental identities to determine equivalent expression

31. ANS:

PTS: 1 OBJ: Use fundamental identities to determine equivalent expression

32. ANS:

PTS: 1 OBJ: Use fundamental identities to determine equivalent expression

33. ANS:

PTS: 1 OBJ: Use fundamental identities to determine equivalent expression

34. ANS:

PTS: 1 OBJ: Use fundamental identities to determine equivalent expression

35. ANS:

PTS: 1 OBJ: Write algebraic expressions as trig functions with trig substitution

36. ANS:

PTS: 1 OBJ: Verify identities

37. ANS:

PTS: 1 OBJ: Verify identities

38. ANS:

PTS: 1 OBJ: Verify identities

39. ANS:

PTS: 1 OBJ: Verify identities

40. ANS:

PTS: 1 OBJ: Solve trig equations

41. ANS:

PTS: 1 OBJ: Solve multiple-angle equations

42. ANS:

PTS: 1 OBJ: Find exact value of expression using sum formula

43. ANS:

PTS: 1 OBJ: Find exact value of expression using sum or difference formula

44. ANS:

PTS: 1 OBJ: Rewrite an expression using a sum or difference formula

45. ANS:

PTS: 1 OBJ: Find exact value of expression using sum or difference formula

46. ANS:

PTS: 1

OBJ: Find exact value of expression using sum or difference formula with constraints

47. ANS:

PTS: 1 OBJ: Use sum and difference formulas to verify trig identities

48. ANS:

PTS: 1 OBJ: Find exact solutions to trig equations involving multiple angles

49. ANS:

PTS: 1 OBJ: Find exact value of expression using the half-angle formula

50. ANS:

PTS: 1 OBJ: Find exact value of expression using the half-angle formula

51. ANS:

PTS: 1 OBJ: Find exact value of trig function from diagram

52. ANS:

PTS: 1 OBJ: Find exact value of expression using the half-angle formula

53. ANS:

PTS: 1 OBJ: Rewrite an expression with a product-to-sum formula

54. ANS:

PTS: 1 OBJ: Solve trig equations using half-angle formulas

55. ANS:

PTS: 1 OBJ: Use the sum-to-product formula to find exact value of expressions

56. ANS:

PTS: 1 OBJ: Solve triangles using the Law of Sines (AAS)

57. ANS:

PTS: 1 OBJ: Solve triangles using the Law of Sines (SSA - 2 sol)

58. ANS:

36.41 sq. units

PTS: 1 OBJ: Find the area of an oblique triangle

59. ANS:

5.71 feet

PTS: 1 OBJ: Application: Law of Sines

60. ANS:

PTS: 1 OBJ: Solve triangles using the Law of Cosines (SSS)

61. ANS:

13.71

PTS: 1 OBJ: Solve figures for missing values using the Law of Cosines

62. ANS:

PTS: 1 OBJ: Determine the component form of a vector

63. ANS:

PTS: 1 OBJ: Determine the magnitude of a vector

64. ANS:

PTS: 1 OBJ: Combine components of vectors

65. ANS:

PTS: 1 OBJ: Determine vector given magnitude and direction of another vector

66. ANS:

PTS: 1 OBJ: Determine magnitude and direction angle of standard unit vector

67. ANS:

PTS: 1 OBJ: Determine magnitude and direction angle of standard unit vector

68. ANS:

PTS: 1 OBJ: Determine components of vector given magnitude and angle with x-axis

69. ANS:

PTS: 1

70. ANS:

vertex: directrix:

PTS: 1 REF: 235 OBJ: Find the vertex and focus of a parabola

71. ANS:

PTS: 1 REF: 238 OBJ: Find the standard form of a parabola

72. ANS:

PTS: 1

73. ANS:

center: (0, 0) vertices: (–7, 0), (7, 0)

PTS: 1 REF: 216

OBJ: Find center and vertices of an ellipse centered at the origin

74. ANS:

center: foci:

PTS: 1 REF: 244 OBJ: Find center and foci of an ellipse

75. ANS:

center: vertices:

PTS: 1 REF: 245 OBJ: Find center and vertices of an ellipse

76. ANS:

PTS: 1

77. ANS:

center: (–1, 5), vertices: (–6, 5), (4,5)

PTS: 1

78. ANS:

vertices: asymptote:

PTS: 1 REF: 225

OBJ: Find vertices and asymptotes of a hyperbola centered at the origin

79. ANS:

center: (–8, 3) vertices: (–11, 3), (–5, 3)

PTS: 1

80. ANS:

PTS: 1 REF: 219

OBJ: Find the standard form of a ellipse with a vertex at the origin

81. ANS:

PTS: 1

82. ANS:

PTS: 1

83. ANS:

PTS: 1

84. ANS: B PTS: 1