Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...
“It’s beyond the scope of this paper… to examine why trigonometry is so confusing ... “The reader may be surprised to learn that the catalyst for us to start this project was a bonus ...
Pythagoras' theorem - Part 2 Learn more about Pythagoras' theorem with this BBC Bitesize Maths article. For students between the ages of 11 and 14. Introduction to trigonometry for right-angled ...