Elements of Plane Trigonometry

by Hugh Blackburn

Elements of Plane Trigonometry: Large Print By Hugh Blackburn The succeeding chapters are devoted to an exposition of the nature of the trigonometrical ratios, and to the demonstration by geometrical constructions of the principal propositions in trigonometrical surveying: and I have concluded with a proof of the formulae for the sine and cosine of the sum of two angles treated as examples of the elementary theory of projection. Having learned thus...

• Format: Paperback
• Language: English
• ISBN: 1670846571
• ISBN13: 9781670846570
• Release Date: December 2019
• Publisher: Independently Published
• Length: 134 Pages
• Weight: 0.42 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"