5.2 Trigonometric Functions: Unit Circle Approach 5.3 Properties of the Trigonometric Functions 5.4 Graphs of the Sine and Cosine Functions 5.5 Graphs of the Tangent, Cotangent, Cosecant, and Secant ...

Folders and files ... Repository files navigation README Instant download Solution Manual for Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry 4th Edition by Sullivan by ...

The book has some interesting things, for example it introduces the trigonometric functions as a feature of a trigonometric circle instead of a right-angled triangle as many books do.

Student Solutions Manual - Precalculus: Concepts Through Functions, a Unit Circle Approach to Trigonometry by Michael Sullivan; Sullivan, Michael, III Publication date 2008 Publisher Pearson Education ...

However, it's still hard to get an intuitive sense of the relationship between the circle and the trigonometric functions and the triangles. That all changes with animated GIFs.