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 ...

IN this volume the authors “have tried to recapture the spirit of some of the writers of a few generations ago who looked on Trigonometry as a branch of applied rather than of pure mathematics”. 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 ...