Solutions for Solving Trigonometric Equations with Identities
Solutions to Try Its
1. 2. 3. 4. This is a difference of squares formula: . 5.Solutions to Odd-Numbered Exercises
1. All three functions, , and , are even. This is because and . 3. When , then , which is undefined. 5. 7. 9. 11. 13. 15. 17. 19. 21. 23. 25. 27. 29. Answers will vary. Sample proof: 31. Answers will vary. Sample proof: 33. Answers will vary. Sample proof: 35. False 37. False 39. Proved with negative and Pythagorean identities 41. TrueLicenses & Attributions
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- Precalculus. Provided by: OpenStax Authored by: OpenStax College. Located at: https://cnx.org/contents/fd53eae1-fa23-47c7-bb1b-972349835c3c@5.175:1/Preface. License: CC BY: Attribution.