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.

(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 ii (6 ...

A 3,700-year old Babylonian clay tablet reveals an ancient method of constructing right-angled triangles that makes it the world’s oldest and most accurate trigonometric table.