Nature - (1) Easy Exercises in Algebra for Beginners (2) Plane Geometry for Secondary Schools (3) Cartesian Plane Geometry Part i (4) A Sequel to Elementary Geometry (5)Text-book of Mechanics Vol ...

It is a little difficult to see precisely wherein the real divergence lies, for the book begins, as usual, with the measurement of angles, the use of signs in geometry and orthogonal projection.

Trigonometry, as the Bohemian-born scholar Piticus named the discipline in 1595, also found a place in gunnery, in surveying, and in the physical sciences. From the seventeenth century, scales of ...

Trigonometry allows one to systematically convert between measurements of angles and measurements of length, a topic that has interested mathematical astronomers from antiquity. Ancient Greeks also ...