These identities help in converting a trig formula presented as a product into a sum, or vice versa. They also allow you to evaluate and verify trig expressions with the sum to product/product to sum formulas. You can download our worksheets for high school that include many problems related to evaluating expressions. Instantly verify your answers from the extensive answer keys. Also included are free worksheets.
These printable Product to Sum and Sum to Product Identities Worksheets that you can download and print at home. Start using printables Identities worksheets. to help in the development of your children.