In Exercises 39-46, find all solutions of each equation in the interval [0, 27).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 79E
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Answer number 39. Need the precise number. I have attached what the book answer was 

TT
+ 2nт,
2
37T
+ 2nт 9.
1. two 3. one
5. false 7.
+ nT
4
7T
+ 2лп 13.
4
TT
T
2
15.
3
11.
+ 2nт,
4TT
+ 2nт,
3
4.
+ nTT
+ 2пт
17. 30° + 180°л 19. 210° + 360°п, 330° + 360°n 21. 90° + 360°n
23. 60° + 360°n, 120° + 360°п 25. 60° + 360°n, 300° + 360°n
27. (23.6°, 156.4°} 29. {82.0°, 278.0°) 31. {131.3°, 311.3°}
33. (3.4814, 5.9433} 35. (2.2143, 5.3559} 37. {3.5531, 5.8717}
7T 23T
39.
{
19т 35т
41.
TT 4T
T 3T
12' 12
24 24
43.
45.
3
TT 5TT
T 3T 5T 7T
т Зт 5т 7т
47.
4 4
49.
51.
6' 4
п 5п 7т 11т
6 4' 6
4
T 7T 7T 1lT
53.
55.
TT 3T 5T 7T
57.
4 4' 4' 4
T ST
4了
4' 6
4
6.
6 6'6
т 2т 4т 5т
TT 7T 11T
59.
3' 3
61.
2' 6'6
63.
3.
3
ர 37 117
6' 2
IT 5T 7T 11m
67. 0, т 69.
65.
6 6
6.
6.
{-) 75. ()
T ST 4T 1lT
TT
T
73.
TT
71.
3 6
3 6
Аpplying the Concеpts:
77. 60° 79. ~5.7° 81. 28°
Transcribed Image Text:TT + 2nт, 2 37T + 2nт 9. 1. two 3. one 5. false 7. + nT 4 7T + 2лп 13. 4 TT T 2 15. 3 11. + 2nт, 4TT + 2nт, 3 4. + nTT + 2пт 17. 30° + 180°л 19. 210° + 360°п, 330° + 360°n 21. 90° + 360°n 23. 60° + 360°n, 120° + 360°п 25. 60° + 360°n, 300° + 360°n 27. (23.6°, 156.4°} 29. {82.0°, 278.0°) 31. {131.3°, 311.3°} 33. (3.4814, 5.9433} 35. (2.2143, 5.3559} 37. {3.5531, 5.8717} 7T 23T 39. { 19т 35т 41. TT 4T T 3T 12' 12 24 24 43. 45. 3 TT 5TT T 3T 5T 7T т Зт 5т 7т 47. 4 4 49. 51. 6' 4 п 5п 7т 11т 6 4' 6 4 T 7T 7T 1lT 53. 55. TT 3T 5T 7T 57. 4 4' 4' 4 T ST 4了 4' 6 4 6. 6 6'6 т 2т 4т 5т TT 7T 11T 59. 3' 3 61. 2' 6'6 63. 3. 3 ர 37 117 6' 2 IT 5T 7T 11m 67. 0, т 69. 65. 6 6 6. 6. {-) 75. () T ST 4T 1lT TT T 73. TT 71. 3 6 3 6 Аpplying the Concеpts: 77. 60° 79. ~5.7° 81. 28°
35. 3 tan x + 4 0
36. 2 sec x - 7 = 0
37. 2 csc x + 5 = 0
38. cos x = 0.1106
In Exercises 39-46, find all solutions of each equation in the
interval [0, 277).
TT
TT
39. sin x +
4
+ 1 = 0
4
40. 2 cos x -
2
41. see(1- + 2 = 0 42. ee(x +) - 2= 0
43. VŠ uan 1-)-1-0
TT
T
42. csc | x +
8.
TT
tan x –
-1 = 0
TT
44. cot
+ 1 = 0
45. 2 in (- -) 1
TT
+ 1 = 0
3
TT
46. 2 cos x +
+ V2 = 0
3.
In Exercises 47-54, find all solutions of each equation in the
interval [0, 27).
47. (sin x + 1) (tan x - 1) = 0
48. (2 cos x + 1)(V3 tan x - 1) = 0
40
Transcribed Image Text:35. 3 tan x + 4 0 36. 2 sec x - 7 = 0 37. 2 csc x + 5 = 0 38. cos x = 0.1106 In Exercises 39-46, find all solutions of each equation in the interval [0, 277). TT TT 39. sin x + 4 + 1 = 0 4 40. 2 cos x - 2 41. see(1- + 2 = 0 42. ee(x +) - 2= 0 43. VŠ uan 1-)-1-0 TT T 42. csc | x + 8. TT tan x – -1 = 0 TT 44. cot + 1 = 0 45. 2 in (- -) 1 TT + 1 = 0 3 TT 46. 2 cos x + + V2 = 0 3. In Exercises 47-54, find all solutions of each equation in the interval [0, 27). 47. (sin x + 1) (tan x - 1) = 0 48. (2 cos x + 1)(V3 tan x - 1) = 0 40
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