The Elements of Trigonometry: Containing the Properties, Relations, and Calculations of Sines, Tangents, Secants, &C., The Doctrine of the Sphere, and ... and Spherical Trigonometry (Classic Reprint) - Hardcover

Emerson, William

9780260093608: The Elements of Trigonometry: Containing the Properties, Relations, and Calculations of Sines, Tangents, Secants, &C., The Doctrine of the Sphere, and ... and Spherical Trigonometry (Classic Reprint)

Hardcover

ISBN 10: 0260093602 ISBN 13: 9780260093608

Publisher: Forgotten Books, 2019

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Excerpt from The Elements of Trigonometry: Containing the Properties, Relations, and Calculations of Sines, Tangents, Secants, &C., The Doctrine of the Sphere, and the Principles of Plain and Spherical Trigonometry

P. S. In the fir/t edition of this book, having deli vered the theory of Trigonometry, with all the practical rule: and canon: for calculation 5 I thought it fuficient to an/wer all the purpof'es that could be debrod. And that. Nothing may. Be wanting evento the lowtficlafi of readers, I have gi'oen the folutionr of all the cafe: of triangles in numbers. I have alfo made many altera tion: and addition: in feveral part: of the boo/t, and have added feveral propofition: in fpheries, which I have put at the end of, the la/ijec'i'ion5 bocau/e they could not well be demon/irated, without the propo/jtion: in that fiﬂion; all which now make: the book entirely complete.

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