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Hugh Blackburn has written 2 work(s)
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Cover for 9781505487282 Cover for 9781523883653 Cover for 9780548683507
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Product Description: Elements is Blackburn's attempt to fill the gap between the Sixth Book of Euclid and the circular measurement of Angles; which according to Blackburn is not satisfactorily bridged by the propositions of Euclid's Tenth and Twelfth Books usually supposed to be learned; however not found by demonstrations in the modern books on Trigonometry of his time with contemporary attempts seeming ``defective for modern requirements", and not not sufficiently connected with Analytical Trigonometry...read more

Paperback:

9781523883653 | Createspace Independent Pub, February 24, 2016, cover price $8.95 | About this edition: Elements is Blackburn's attempt to fill the gap between the Sixth Book of Euclid and the circular measurement of Angles; which according to Blackburn is not satisfactorily bridged by the propositions of Euclid's Tenth and Twelfth Books usually supposed to be learned; however not found by demonstrations in the modern books on Trigonometry of his time with contemporary attempts seeming ``defective for modern requirements", and not not sufficiently connected with Analytical Trigonometry.
9781505487282 | Createspace Independent Pub, December 11, 2014, cover price $12.99 | About this edition: Trigonometry (from "trigwnon", triangle, and "metrew") is the science of the numerical relations between the sides and angles of triangles.

cover image for 9780548683507
Product Description: This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work...read more
By Hugh Blackburn (illustrator)

Paperback:

9780548683507 | Kessinger Pub Co, October 31, 2007, cover price $15.95 | About this edition: This scarce antiquarian book is a facsimile reprint of the original.

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