# Math 39: Trigonometry

- By: Alain Olavarrieta
- Publisher: Las Positas College
- Source: [LibreTexts](https://math.libretexts.org/Courses/Las_Positas_College/Math_39%3A_Trigonometry)
- Licence: not stated by the source
- Read at LibreTexts: https://math.libretexts.org/Courses/Las_Positas_College/Math_39%3A_Trigonometry
- PDF: https://downloads.libretexts.org/api/v1/download/math-59618/pdf