{ "item_title" : "Elements of Plane and Spherical Trigonometry", "item_author" : [" Olinthus Gregory "], "item_description" : "First published in the early 19th century, Gregory's classic textbook on trigonometry remains a valuable resource for students and practitioners of applied mathematics. Combining clear explanations with practical examples, the book covers a wide range of topics, from surveying and astronomy to geodesy and navigation.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/02/067/272/1020672722_b.jpg", "price_data" : { "retail_price" : "33.95", "online_price" : "33.95", "our_price" : "33.95", "club_price" : "33.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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