A trigonometry guide that explains the subject matter in a user-friendly manner. It provides step-by-step solutions for things you need to know about the subject including trigonometric functions, inverse trigonometric functions, trigonometric identities, equations and inequalities, vectors, polar coordinates, and more.
Debra Anne Ross has a double BA in Chemistry and Biology from the University of California, Santa Cruz, and and MS in Chemical Engineering from Stanford University. Debra's career encompasses biology, chemistry, biochemistry, engineering, biosensors, pharmaceutical drug discovery, and intellectual property. She is the author of the popular Master Math books, The 3:00 PM Secret: Live Slim and Strong Live Your Dreams, The 3:00 PM Secret: Ten Day Dream Diet (2009), and Arrows Through Time: A Time Travel Tale of Adventure, Courage, and Faith (2009).