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 ...

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 ...

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 ...

Gunter combined the logarithms with trigonometry in 1620 when he published ... Gunter was appointed professor of astronomy at Gresham that same year, thanks to the recommendation of his friend ...

(1) NAUTICAL astronomy is simply the application of spherical trigonometry to the problem of ascertaining the latitude and longitude at sea by observations of the heavenly bodies; as also the ...

We measure how curved space is the same way the Greeks measured the size of Earth: using trigonometry. In this case, the method is known as a “standard ruler test.” ...