Trigonometric Identities of Sum and Difference of Angles

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Chapter 10: Trigonometric Identities of Sum and Difference of Angles (48 videos)   (Practice Test)
10.1: Fundamental Law of Trigonometry  (Practice Test)
  1. Proof of Fundamental Trigonometric Identity
  2. More on Fundamental Trigonometric Identity
  3. Problem 1: Proof of Fundamental Trigonometric Identity
  4. Problem 2: More on Fundamental Trigonometric Identity
  5. Problem 3: More on Fundamental Trigonometric Identity
  6. Problem 4: More on Fundamental Trigonometric Identity
  7. Problem5-Proof of Fundamental Trigonometric Identity
  8. Problem 1: More on Fundamental Trigonometric Identity
  9. Derivation of Distance formula
  10. Problem 1: Derivation of Distance formula
  11. Problem-Derivation of Distance formula
  12. Fundamental Law of Trigonometry
  13. More on Fundamental Law of Trigonometry
  14. Problem-Fundamental Law of Trigonometry
  15. Proof of Angle Addition Formula for Cosine
  16. More on Proof of Angle Addition Formula for Cosine
  17. Problem-Proof of Angle Addition Formula for Cosine
  18. Deductions From Fundamental Law
  19. More on Deductions From Fundamental Law1
  20. More on Deductions From Fundamental Law2
  21. Problem1-Deductions From Fundamental Law
  22. Problem2-Deductions From Fundamental Law
  23. Problem3-Deductions From Fundamental Law
10.2: Trigonometric Ratios of Allied Angles  (Practice Test)
  1. Trigonometric Ratios and Allied Angles
  2. More on Trigonometric Ratios and Allied Angles
  3. Problem1-Trigonometric Ratios and Allied Angles
  4. Problem2-Trigonometric Ratios and Allied Angles
  5. Maximum and Minimum Value of given Trigonometric Function
  6. More on Maximum and Minimum Value of given Trigonometric Function
  7. Further Application of Basic Identities
  8. Problem1-Further Application of Basic Identities
  9. More on Further Application of Basic Identities
  10. Problem2-Further Application of Basic Identities
10.3: Double, Half and Triple Angle Identities  (Practice Test)
  1. Double Angle Identities
  2. Problem-Double Angle Identities
  3. Half Angle Identities
  4. Problem-Half Angle Identities
  5. Triple Angle Identities
  6. More on Triple Angle Identities
  7. Further on Triple Angle Identities
  8. Problem1-Triple Angle Identities
  9. Problem2-Triple Angle Identities
10.4: Sum, Difference and Product of Sine and Cosine  (Practice Test)
  1. Product to Sum or Difference of Sines and Cosines
  2. Problem-Product to Sum or Difference of Sines and Cosines
  3. Sum or Difference to Product of Sines and Cosines
  4. More on Sum or Difference to Product of Sines and Cosines
  5. Problem-Sum or Difference to Product of Sines and Cosines
  6. Applications of Product of Sines and Cosines