Make trigonometry as easy as 1-2-3

Believe it or not, trigonometry is easier than it looks! With the right help, you can breeze through your next trig class, test, or exam and be ready for your next math challenge. In Trigonometry For Dummies, you'll learn to understand the basics of sines, cosines, and tangents, graph functions, solve tough formulas, and even discover how to use trig outside the classroom in some cool and interesting ways.

Ditch the confusing jargon and take a plain-English tour of one of the most useful disciplines in math. In this lifesaving guide, you'll learn how to:

• Graph trig functions, including sine, cosine, tangent, and cotangent functions
• Understand inverse trig functions and solve trig equations
• Relate triangles to circular functions and get a handle on basic identities

So, whether you're looking for an easy-to-use study guide, to boost your math grade, or get a refresher on some basic trig concepts after a long absence from studying, Trigonometry For Dummies is your ticket to understanding the mathematical mysteries of the triangle.

Get ready to fill your head with triangles

On the long road of mathematics, you'll eventually need to stop in trig town. Trigonometry For Dummies shows you around, following the trajectory of a typical high school or college trig course. Get to know the basics like right triangles and radians, then find your away around functions, identities, and equations. Map it all out with complete coverage of graphing trig functions. Before long, you'll feel like a trigonometry native, thanks to the easy-to-follow examples and explanations.

Inside?

• Cartesian coordinates and planes
• All about trig functions and inverse trig functions
• Pi and radians, explained
• Proving and solving identities
• Graphing sine, cosine, tangent, cotangent, and more