“Astronomy in Safavid Persia ... “Ṭūsī’s Place in the History of Trigonometry,” Conference in Memory of Naṣīr al-Dīn al-Ṭūsī, Iranian Institute of Philosophy, Tehran, February 23, 2013. Edition and ...

Aryabhata introduced sine and cosine functions in trigonometry. He compiled tables of sine values (known as jya) and explained their applications in astronomy. His work on trigonometric formulas laid ...

In 2022, two high school students created a trigonometric proof of the Pythagorean Theorem—something that’s only ever been accomplished by a few professional mathematicians. Now, a new article ...

Two US college students, who discovered a new way to prove Pythagoras' famous 2,000-year-old theorem in 2022 have now come up with five different ways of solving the problem using trigonometry.

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 ...

These proofs come from several branches of mathematics, but the most comprehensive collection of them claims none come from trigonometry, which has taken the theorem as one of its starting points.

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 ...

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 ...

Two New Orleans teens joined an exclusive club of mathematicians when they discovered trigonometry proofs for Pythagorean's Theorem. Two teens in New Orleans joined an exclusive club of ...

An illustration of a magnifying glass. An illustration of a magnifying glass.