The Complete Idiot’s Guide to Precalculus
Polynomials, functions, and trig, oh my! From the author of two bestselling Complete Idiot’s Guides‚ comes a book aimed at high school and college students who need course help or a brush-up. It follows a standard precalculus curriculum, includes sample problems, and will help students make sense of their textbooks. Difficult topics, such as quadr More »