PreCalculus: Lesson Plan * 9/25/2006

• Quickstart Lesson 5.3 ACE Self-Test
  Please e-mail to instructor colleen.lynch@browardschools.com
  As text. Include your name.
• 5.3 Quiz
• Lesson
  5.4 Sum and Difference Formulas
  Objective: Know how to use sum and difference formulas to rewrite and evaluate trigonometric functions.
  
  1. Story of Sinbad and Cosette
  2. Definition of Sum and Difference Formulas
     
  3. Using Sum and Difference Formulas to find exact values of trigonometric functions for angles other than 30°, 45°, and 60° angles
     
  4. Using Sum and Difference Formulas to simplify trigonometric expressions
     Reduction Formulas
     
  5. Using Sum and Difference Formulas to solve trigonometric equations
     
     

• Homework p. 408 - 410 3 3 - 27 x 3's, 57, 60