Chapter 5 Videos

Section 5.1

  • Lesson: The Fundamental Trig Identities

  • Examples: Using the Fundamental Identities to Write Values of Other Trig Functions

  • Examples: Transformations (Writing Trig Functions in Terms of Other Trig Functions)

  • Examples: Writing Trig Functions in Terms of Sine and Cosine, then Simplifying

Section 5.2

  • Lesson: Verifying Trig Identities (this is a longer video FYI)

  • Examples: Verifying More Trig Identities

Section 5.3

  • Lesson: The Proofs of the Sum and Difference of Cosine Identities

  • Lesson: Exercises Using the Sum and Difference of Cosine Identities

Section 5.4

  • Lesson: The Sum and Difference of Sine and Tangent

  • Example: Finding the Sine of a Sum and the Tangent of a Sum of s + t

Section 5.5

Section 5.6