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Lesson 3: Sum & Difference Identities

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This lesson is designed for PreCalculus students. It is the third lesson for a six-lesson unit on ANALYTIC TRIGONOMETRY.

The file includes an 8-page Bound-Book Dinah Zike Foldable*, used with permission, a Smart Notebook 11 Lesson Presentation, directions for making the Foldable*, and a completed answer key.

Students will learn about the sum and difference formulas for sine, cosine and tangent functions.

The unit on Analytic Trigonometry includes the following topics:
1) Fundamental Identities
2) Proving Identities
3) Sum and Difference Formulas
4) Multiple Angle Identities
5) Law of Sines
6) Law of Cosines

You can purchase the Review and Assessment Bundle or the entire Unit 5 Bundle.

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Total Pages
16
Answer Key
Included
Teaching Duration
1 hour

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Lesson 3: Sum & Difference Identities
Lesson 3: Sum & Difference Identities
Lesson 3: Sum & Difference Identities
Lesson 3: Sum & Difference Identities