Loney S.L. Plane Trigonometry. Part 1

Forgotten Books, 2016. — 332 p.A classic in Trigonometry.The following work will, be found to be a fairly complete elementary text-book on Plane Trigo nometry, suitable for Schools and the Pass and Junior Honour classes of Universities. In the higher portion of the book the author has endeavoured to present to the student, as simply as possible, the modern treatment of complex quantities, and it's expected that it will be found that he will have little to unlearn when he commences to read treatises of a more difficult character. As Trigonometry consists largely of formula and the pplications thereof, the author has prefixed a list of the principal formula which the student should commit to memory. These more important formula are distinguished in the text by the use of thick type. Other formula are sub sidiary and of less importance. The number of examples is very large. A selection only should be solved by the student on a first reading