Excerpt from A Course of Mathematics, Vol. 2 of 2: Composed, and More Especially Designed for the Use of the Gentlemen Cadets in the Royal Military Academy at Woolwich
Hence, a right angle, being measured by a quadrant, or quarter of the circle, is an angle of 90 degrees; and the sum of the three angles of every triangle, or two right angles, is equal to 180 degrees. Therefore, in a right-angled triangle, taking one of the acute angles from 90 degrees, leaves the other acute angle; and the sum of two angles, in any triangle, taken from 180 degrees, leaves the third angle; or one angle being taken from 180 degrees, leaves the sum of the other two angles.
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Paperback. Condition: New. Print on Demand. This book provides a practical guide to plane trigonometry, a branch of mathematics concerned with the relationship between the sides and angles of plane triangles. The author, an experienced mathematician, presents the subject in a clear and accessible manner, making it suitable for students, engineers, and anyone interested in the practical applications of trigonometry. The book begins with an introduction to the basic concepts of trigonometry, including the definitions of sine, cosine, and tangent. The author then explains how to use these functions to solve a variety of problems, such as finding the height of a building or the distance to a star. The book also covers more advanced topics, such as the law of sines and cosines, and the use of trigonometry in navigation and surveying. Throughout the book, the author provides numerous examples and exercises to help readers understand the material. The book also includes a comprehensive appendix of trigonometric tables, making it a valuable resource for anyone who needs to use trigonometry in their work or studies. This book is a valuable resource for anyone who wants to learn more about plane trigonometry. The author's clear and concise explanations make the subject easy to understand, and the numerous examples and exercises help readers to apply their knowledge to real-world problems. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781333681586_0
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9781333681586
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9781333681586
Quantity: 15 available