In the third lesson of identities, students will learn about the sum and difference formulas for sine, cosine and tangent functions. This lesson includes a Smart Notebook file, an 8-page graphic organizer in the form of a "Bound-book foldable" with directions for creating the handout. There is a *.pdf file of the completed lesson as well.
Jean has taught grades 8 through 12 for over 18 years in the Central Florida area. In addition she shares her strategies with colleagues through local and national math conferences.