The essential help you need when your trigonometry textbook just isn't making the grade!

Trigonometry includes concepts that have both a geometric and an algebraic component. Homework Helpers: Trigonometry covers all of the topics in a typical trigonometry class, including:

- The unit circle

- Trigonometric functions

- Inverse trigonometric functions

- Identities

- Graphical analysis

- Applications

This book also contains a review of the algebraic and geometric ideas that are the foundation of trigonometry. Let a longtime teacher with a PhD in mathematics give you the boost you need to pass the class, prepare for an AP course, or just strengthen your skills.