## 1. Breaking down the surface area of a sphere.

## 2. How sine and cosine are related in 3D coordinates.

## 3. Creating the perfect ellipse.

## 4. Connecting the squares.

## 5. Creating a perfect cardioid.

## 6. How a straight line can trace a hyperboloid.

## 7. The infinite cube loop.

## 8. The relationship between sine and cosine.

## 9. And how triangles relate to sine and cosine.

## 10. Removing each digit of this number always leaves a prime number.

## 11. The derivative of an exponential curve.

## 12. The infinite square.

## 13. Visualising the transpose of a matrix.

## 14. The mesmerising representation of a Villarceau circle (two perfect circles).

## 15. Approximating definite integrals.

## 16. Visualising the tangent.

## 17. And everything you've ever asked yourself about trigonometry.

*Source: Buzzfeed.com*