Elementary Trigonometry (Classic Reprint) - Hardcover

William Ernst Paterson

9780331448436: Elementary Trigonometry (Classic Reprint)

Hardcover

ISBN 10: 0331448432 ISBN 13: 9780331448436

Publisher: Forgotten Books, 2018

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Excerpt from Elementary Trigonometry

The common examination syllabus Trigonometry up to and including solution of triangles has caused most textbooks to treat the subject as if the sole use of Trigonometry were to solve triangles, and the practical examples deal almost exclusively With various forms of triangle-solving under the heading 'heights and Dis tances Further it is customary to define the trigono metrical ratios by means of a right-angled triangle; this encourages the mistaken idea that the ratios are fundamentally attached to a triangle, and does not impress upon the pupil the fact that they are the pro perty of an angle and of an angle only.

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