4 Interactive Dvds.

- Engaging, interactive trigonometry lessons which hold your attention.
- Simplification of complex topics by breaking them into bite-sized pieces
- Review of lessons as many times as necessary until "it clicks"
- Colorful graphics that help students visualize mathematical concepts

- Degree; Radian Measures of Angles; Basic Trigonometric Functions; Sine, Cosine, Tangent, Cotangent, Secant, and Cosecant.
- Basic Trigonometric Identities, including Addition and Subtraction Formulas; Half-Angle Formulas; Double Angle Formulas; Graphs of Trigonometric Functions; Solving Trigonometric Equations.
- Trigonometric Identities; Inverse Trigonometric Functions; Trigonometric Equations; Right Angle Applications.
- Law of Sines and Cosines; Applications; Polar Coordinates; DeMoivre's Theorem.