1. Angle Sum and Difference Formulas
Honors Precalculus
December 6, 2016
Mrs. Agnew

2. Essential Stuff Essential Question Essential Vocabulary
How do you find the exact value of trigonometric functions given “non-special” angles?
Essential Vocabulary
Unit Circle
Addition and Subtract Formulas
Angle Sum and Angle Difference Formulas

3. Angle Sum/Difference
Formulas for Sine
Formulas for Cosine

4. Angle Sum/Difference
Formula for Tangent: Rewrite tangent in terms of sine and cosine. Then, use those formulas to evaluate.
Guided Practice: page 485 – 487
#12 – 38 (E), 48, 52, 60
Examples

5. Homework:
Page 485 – 486
#11 – 19 (Odd), 25,
31 – 35 (Odd), 47, 51, 59