A Treatise on Spherical Trigonometry, and its Application to Geodesy and Astronomy. With Numerous Examples. By Dr. J. Casey. (London: Longmans, 1889.) You have full access to this article via your ...

Death to triangles!” Luckily, triangles survived nonetheless—and thrived. In “Love Triangle: How Trigonometry Shapes the World,” Matt Parker recounts, for instance, how computers were a ...

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 ...

The mathematical study of triangles has just got a whole lot simpler, according to a researcher who says his new theory of trigonometry is easier to use and more accurate. Associate Professor ...

Mathematical astronomy has been a continuing interest in India for several thousand years. The methods of trigonometry were developed for solving problems in astronomy. The first major figure was ...

As the name suggests, trigonometry is the branch of mathematics that deals with the study of the relationship between sides and angles of a right triangle. It’s used in astronomy, cartography ...

Two years ago, a couple of high school classmates each composed a mathematical marvel, a trigonometric proof of the Pythagorean theorem. Now, they’re unveiling 10 more. For over 2,000 years ...