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Say goodbye to dry presentations, grueling formulas, and abstract theory that would put Einstein to sleep--now there's an easier way to master chemistry, biology, trigonometry, and geometry. McGraw-Hill's Demystified Series teaches complex subjects in a unique, easy-to-absorb manner and is designed for users without formal training, unlimited time, or genius IQs. Organized like self-teaching guides, they come complete with key points, background information, questions at the end of each chapter, and final exams. There's no better way to gain instant expertise! ABOUT TRIGONOMETRY DEMYSTIFIED: Covers every key aspect of trigonometry: how angles are measured; the relationship between angles and distances; coordinate systems; calculating distance based on parallax; reading maps and charts; latitude and longitude; and much more. Salient Features This book will help the reader to solve basic problems such as: Understanding how angles are measured Understanding the relationships between angles and distances Creating and understanding coordinate systems Calculating distances based on parallax Reading maps and charts Working with latitude and longitude Envisioning objects in 3-space