Pedro

Execercise in chapter 17.3 can be confusing

5

- [x] I have checked the latest `main` branch to see if this has already been fixed - [x] I have searched existing issues and pull requests for duplicates URL...

Clarify angle units in the documentation

2

Some of the functions refer to angles, but they don't specify that these angels are to be expressed in radians. I think it'd be helpful to add it to the...

I think this repository would benefit a lot from having a [CITATION file](https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-citation-files) to help users know how to correctly cite the book as a source.