a complete introduction Neill, Hugh creator author. Abbott, Paul Mathematics teacher author. text monographic eng

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xii, 187 pages : illustrations ; 22 cm Trigonometry: A Complete Introduction is the most comprehensive yet easy-to-use introduction to Trigonometry. Written by a leading expert, this book will help you if you are studying for an important exam or essay, or if you simply want to improve your knowledge. The tangent -- Sine and cosine -- In three dimensions -- Angles of any magnitude -- Solving simple equations -- The sine and cosine formulae -- Radians -- Relations between the ratios -- Ratios and compound angles -- The forms a sin x and b cos x -- The factor formulae -- Circles related to triangles -- General solution of equations. Paul Abbott ; revised by Hugh Neill. Includes index. Trigonometry QA531 .N44 2018 516.24 9781473678491 260226 20260226113218.0