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World Century Mathematical Olympiad Ser.: Trigonometric Functions and Complex Numbers by Desheng Yang (2016, Trade Paperback)

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Trigonometric Functions and Complex Numbers, Paperback by Yang, Desheng, ISBN 1938134869, ISBN-13 9781938134869, Brand New, Free shipping in the US Originally published in Chinese by Shanghai Century Publishing in 2010, this supplemental text walks through the solution of trigonometric ratios, trigonometric addition and subtraction, trigonometric function graphs, inverse trigonometric equations, and the area of triangles. The second half of th reviews the basic principles of a complex number, operations with complex numbers, the trigonometric form of a complex number, and the properties of unit root of 1. Annotation ©2017 Ringgold, Inc., Portland, OR ()