THIS text-book is not intended to meet the requirements of any special syllabus, but is simply an elementary course on trigonometry. On this account, the authors have had a free path to pursue, and ...

THIS elementary text-book of 176 pages contains all the essentials for obtaining a knowledge of trigonometry proper. It might be used either by those who desire merely a thorough grounding in the ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American On Monday, the Onion reported that the ...