Classwork
* Handout - Trigonometric Sum and Difference Identities
* Worksheeet - Trigonometric Sum and Difference Formulas (groups)
Homework
* finish Trig. Sum/Diff Formula worksheet
* Handout - Trigonometric Sum and Difference Identities
* Worksheeet - Trigonometric Sum and Difference Formulas (groups)
Homework
* finish Trig. Sum/Diff Formula worksheet