3x 25. 2 cos (- V3 %3D
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
Related questions
Question
Answer number 25. Need the precise number. I have attached what the book answer was so look at that as well
![SECTION 6.6
Exercises
Basic Concepts and Skills
1. If sin 2x, = sin 2r2 and 0 < x, < x2 < then x2 =
1
13. sin 3x =
V3
14. cos 3x =
2'
1
16. csc 2
= 2
15. cos
2. If cos 2x = cos 2r, and 0 <x <x, < , then x2 =
17. tan
18. cot = V3
= 1
3. If tan 2x, = tan 2r2 and 0 <x < x2 < T, then x2 =
3
19. 2 sin 3x = V2
20. 2 cos 3.x = V2
4. True or False. sin (2 sinx) =
-1 SIS1.
21V1 - x² if
21. 2 cos (2r + 1) = 1
23. 2 sin (4x - 1) = 1
22. 2 sin (2x - 1) = V3
24. 2 cos (4x + 1) = V3
sin 2r
5. True or False.
= V3
3x
26. 2 sin
= sin x
25. 2 cos
= 1
In Exercises 27–38, solve each equation for 0 in the interval
[0°, 360°). If necessary, write your answer to the nearest tenth
of a degree.
2 tan
2
6. True or False.
tan 1
28. 4 sin 20 = 1
In Exercises 7-26, find all solutions of each equation in the
interval (0,27).
27. 3 cos 20 = 1
29. 2 cos 30 + 1 = 2
30. 2 sin 30 –1 = -2
1
7. cos 2x =
31. 3 sin 30 + 1 = 0
32. 4 cos 30 +1 = 0
8. cos 2x = 0
33. 2 sin - + 1 = 0
2
34. 2 cos + V3 = 0
V3
10. sec 2x =
9. csc 2x =
35. 2 sec 20 + 3 = 7
36. 2 csc 20 +1 = 0
V3
11. tan 2x =
V3
12. cot 2x =
3
37. 3 csc-1 = 5
38. 5 sec - 3 = 7
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F829d5846-5b18-4cd7-a339-45eb8842076f%2F0ea97dbe-3b0e-4ad6-818b-f91df6860f3d%2Fq201usv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:SECTION 6.6
Exercises
Basic Concepts and Skills
1. If sin 2x, = sin 2r2 and 0 < x, < x2 < then x2 =
1
13. sin 3x =
V3
14. cos 3x =
2'
1
16. csc 2
= 2
15. cos
2. If cos 2x = cos 2r, and 0 <x <x, < , then x2 =
17. tan
18. cot = V3
= 1
3. If tan 2x, = tan 2r2 and 0 <x < x2 < T, then x2 =
3
19. 2 sin 3x = V2
20. 2 cos 3.x = V2
4. True or False. sin (2 sinx) =
-1 SIS1.
21V1 - x² if
21. 2 cos (2r + 1) = 1
23. 2 sin (4x - 1) = 1
22. 2 sin (2x - 1) = V3
24. 2 cos (4x + 1) = V3
sin 2r
5. True or False.
= V3
3x
26. 2 sin
= sin x
25. 2 cos
= 1
In Exercises 27–38, solve each equation for 0 in the interval
[0°, 360°). If necessary, write your answer to the nearest tenth
of a degree.
2 tan
2
6. True or False.
tan 1
28. 4 sin 20 = 1
In Exercises 7-26, find all solutions of each equation in the
interval (0,27).
27. 3 cos 20 = 1
29. 2 cos 30 + 1 = 2
30. 2 sin 30 –1 = -2
1
7. cos 2x =
31. 3 sin 30 + 1 = 0
32. 4 cos 30 +1 = 0
8. cos 2x = 0
33. 2 sin - + 1 = 0
2
34. 2 cos + V3 = 0
V3
10. sec 2x =
9. csc 2x =
35. 2 sec 20 + 3 = 7
36. 2 csc 20 +1 = 0
V3
11. tan 2x =
V3
12. cot 2x =
3
37. 3 csc-1 = 5
38. 5 sec - 3 = 7
3
![1 17
4 24
I 25
4 24
1 29
4 24
1 13m
I 57
4' 24
77
23.
4 24
37
1 417
2 11m
2 137
25.
24
4' 24
3 9
3 9
3' 9
27. (35.3°, 144.7°, 215.3°, 324.7)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F829d5846-5b18-4cd7-a339-45eb8842076f%2F0ea97dbe-3b0e-4ad6-818b-f91df6860f3d%2F0qry6yz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1 17
4 24
I 25
4 24
1 29
4 24
1 13m
I 57
4' 24
77
23.
4 24
37
1 417
2 11m
2 137
25.
24
4' 24
3 9
3 9
3' 9
27. (35.3°, 144.7°, 215.3°, 324.7)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Trigonometry (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780134217437/9780134217437_smallCoverImage.gif)
Trigonometry (11th Edition)
Trigonometry
ISBN:
9780134217437
Author:
Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:
PEARSON
![Trigonometry (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305652224/9781305652224_smallCoverImage.gif)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning
![Algebra and Trigonometry](https://www.bartleby.com/isbn_cover_images/9781938168376/9781938168376_smallCoverImage.gif)
![Trigonometry (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780134217437/9780134217437_smallCoverImage.gif)
Trigonometry (11th Edition)
Trigonometry
ISBN:
9780134217437
Author:
Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:
PEARSON
![Trigonometry (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305652224/9781305652224_smallCoverImage.gif)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning
![Algebra and Trigonometry](https://www.bartleby.com/isbn_cover_images/9781938168376/9781938168376_smallCoverImage.gif)
![Trigonometry (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781337278461/9781337278461_smallCoverImage.gif)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning