College Algebra and Trigonometry by Lial, Hornsby, Schneider and Daniels channels the experience of these master teachers to help you develop the conceptual understanding and analytical skills needed to succeed in mathematics. A systematic approach is used to present each topic and is designed to actively engage you in the learning process. Ample opportunities for review are interspersed within chapters and also found at the end of chapters. The 7th Edition includes a new Chapter R for a thorough review of the basic algebraic concepts that trigonometry students need to do well in the course, and offers a complete suite of materials that supports all classroom types and learners.