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Last edited by ImportBot
October 27, 2008 | History
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Ernest William Hobson

We need a photo of Ernest William Hobson

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  • Cover of: An Elementary Treatise on Plane Trigonometry

    First published in 1892 — 1 edition
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We need a photo of Ernest William Hobson

Subjects

angle, angle subtended, angles, circular measure, cos, cot, find cos, find sin, horizontal plane, inscribed circle, log, middle point, prove, sin, tan, triangle, triangle abc, trigonometrical, trigonometrical ratio, trigonometrical ratios

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ID Numbers

  • OLID: OL6021264A

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History

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October 27, 2008 Created by ImportBot Imported from Internet Archive item record