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 ...

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 ...

In 2022, U.S. high school students Calcea Johnson and Ne'Kiya Jackson astonished teachers when they discovered a new way to ...

Adjacent angles are one of the earliest and most important concepts to learn in basic geometry, as they have applications in ...

Watch this video to learn about solving trigonometric equations. Let's remind ourselves of what the sine graph looks like so that we can see how many solutions we should be expecting: Therefore ...