Sum and Difference Angle Identities for Sine and Cosine Worksheets
These printable PDF worksheets are mainly focused on solving problems involving Sum and Difference Angle Identities for Sine and Cosine. You may use this worksheet to help your students directly apply their newly-learned concept about sum and difference identities. Formulas are provided in the worksheet so students will no longer struggle with the formulas (because they hate to memorise, lol).
And of course! Answer keys are provided for you. 🙂