A plain-English guide to the basics of trigonometry From sines and cosines to logarithms, conic sections, and polynomials, this friendly guide takes the torture out of trigonometry, explaining basic concepts in plain English, offering lots of easy-to-grasp example problems, and adding a dash of humor and fun. It also explains the “why” of trigonometry, using real-world examples that illustrate the value of trigonometry in a variety of careers.
Mary Jane Sterling (Peoria, IL) has taught mathematics at Bradley University in Peoria for more than 20 years.

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