The materials on this page and its links are copyrighted by James D. Anderson, University of Toledo.

Lesson 1  Radian Angle Measurement (PDF, Word)


Lesson 2  Definition of the Six Trigonometric Functions Using the Unit Circle (PDF, Word)

Lesson 3  Reference Angles (PDF, Word)

Lesson 4  Coterminal Angles (PDF, Word)


Lesson 5  Definition of the Six Trigonometric Functions Determined by a Point and a Line in the xy-Plane (PDF, Word)

Lesson 6  Definition of the Six Trigonometric Functions in Terms of a Right Triangle (PDF, Word)


Lesson 7  Solving Right Triangles and Applications Involving Right Triangles (PDF, Word)

Lesson 8  The Graphs of the Trigonometric Functions (PDF, Word)

Lesson 9  The Inverse Trigonometric Functions (PDF, Word)


Lesson 10  Solving Trigonometric Equations (PDF, Word)


Lesson 11  Pythagorean and Basic Identities (PDF, Word)


Lesson 12  Sum and Difference Formulas (PDF, Word)