“TRIGONOMETRY” by I.M. Gelfand & Mark Saul is a brand new textbook published by Birkhäuser Boston in 2001. This trade paperback book covers the subject area of mathematics, specifically focusing on trigonometry. It contains 229 pages and is written in English, making it a valuable resource for students and educators in the field of education and mathematics. With a sturdy 9×9.02×6 inch size and weighing 26.9 ounces, this textbook provides a comprehensive and informative guide to the subject of trigonometry.

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