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Mastering Multiple-Angle Identities in Trigonometry

Learn how to use Multiple-Angle identities to evaluate and solve trigonometric functions, with real-world applications. Practice examples and tests included.

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Mastering Multiple-Angle Identities in Trigonometry

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  1. Warm-Up 11/14 1. G Questions on assignments?

  2. Rigor:You will learn how to use Multiple-Angle identities to evaluate trigonometric functions and to solve trigonometric equations.Relevance:You will be able to use Multiple-Angle identities to solve real world problems.

  3. 5-5 Multiple-Angle and Product-to-Sum Identities

  4. Example 1: If on the interval, find ,,. Method 2 Method 1

  5. Example 2: Solve on the interval [0, 2). or

  6. Example 3: Rewrite in terms with no power greater than 1.

  7. Example 4: solve .

  8. Example 5: Find the exact values of the expression. QII cosine is negative. Check with a calculator

  9. Example 6: Solve the equation on the interval [0, 2).

  10. math! • 5-5 Assignment: TX p352, 2-34 even • Unit 5b Test (5-3, 5-4 & 5-5) • Thursday 11/21 • http://connected.mcgraw-hill.com/connected/login.do • login: IDs • pass: YYYYMMDDs

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