Homework Help is Here – Start Your Trial Now!
Math
Trigonometry
3x 25. 2 cos (- V3 %3D

3x 25. 2 cos (- V3 %3D

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 60E
See similar textbooks
icon
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
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)
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
steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
SEE MORE TEXTBOOKS