You probably have an intuitive idea of what a circle is: the shape of a basketball hoop, a wheel or a quarter. You may even remember from high school that the radius is any straight line that starts ...

This project was developed as part of a challenge in the course Modelagem de Fenômenos Físicos (Modeling of Physical Phenomena). The goal is to provide an interactive trigonometric circle that helps ...

Trigonometry is the branch of math that studies triangles, with a particular focus on the relationships between angles and the lengths of corresponding sides. Interestingly enough, the trigonometric ...