""A Treatise of Plane Trigonometry, and the Mensuration of Heights and Distances to Which is Prefixed a Summary View of the Nature and Use of Logarithms"" is a mathematical textbook written by Jeremiah Day and first published in 1855. The book focuses on the study of plane trigonometry, which is the branch of mathematics that deals with the relationships between the sides and angles of triangles, and the measurement of heights and distances using...