Precalculus: Concepts Through Functions, A Right Triangle Approach to Trigonometry, Third Edition focuses on the fundamentals: preparation for class, practice with homework, and reviewing of key concepts. With the Concepts Through Functions series, the Sullivans expose students to functions in the first chapter and maintain a continuous theme of functions throughout the text. This approach ensures students master basic skills and develop the conceptual understanding they need for the course, ultimately preparing students for future math courses as well. Note: You are purchasing a standalone product; MyMathLab does not come packaged with this content. MyMathLab is not a self-paced technology and should only be purchased when required by an instructor. If you would like to purchase both the physical text and MyMathLab, search for: 032192598X / 9780321925985 Precalculus: Concepts Through Functions, A Right Triangle Approach to Trigonometry Plus NEW MyMathLab with eText -- Access Card Package Package consists of 0321431308 / 9780321431301 MyMathLab -- Glue-in Access Card 0321654064 / 9780321654069 MyMathLab Inside Star Sticker 032193105X / 9780321931054 Precalculus: Concepts Through Functions, A Right Triangle Approach to Trigonometry