{ "item_title" : "Trigonometry for Beginners", "item_author" : [" Jacob Kohannim "], "item_description" : "Trigonometry finally makes sense - one small step at a time.Trigonometry for Beginners is a complete, step-by-step guide that takes you from your very first angle all the way through the laws of sines and cosines. Every concept is introduced gently, built up with worked examples, and reinforced with practice problems before moving on - so you never feel lost or left behind.Whether you're a high school student meeting trigonometry for the first time, a college student preparing for precalculus, or an adult learner refreshing rusty math skills, this book meets you where you are and walks you to confidence.What's inside: 10 beginner-friendly chapters: angles and their measure, right-triangle trigonometry, special right triangles, the unit circle, reciprocal functions and cofunctions, graphs of sine and cosine, trigonometric identities, laws of sines and cosines, and real-world applications258 practice problems with step-by-step solutions - every answer fully explained2 full-length practice tests plus a cumulative review chapterFormula reference, glossary, calculator guide, and test-taking strategiesA brief history of trigonometry to show where it all came fromNo leaps, no gaps, no it should be obvious. Just clear explanations, steady practice, and the confidence that comes from truly understanding.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/817/581/9798175815611_b.jpg", "price_data" : { "retail_price" : "17.99", "online_price" : "17.99", "our_price" : "17.99", "club_price" : "17.99", "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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