# Math 121- Plane Trigonometry

- By: Vismar Jay Alfaro
- Publisher: University of Science and Technology of Southern Philippines- Jasaan
- Source: [LibreTexts](https://math.libretexts.org/Courses/University_of_Science_and_Technology_of_Southern_Philippines-_Jasaan/Math_121-_Plane_Trigonometry)
- Licence: Mixed licences (each page states its own)
- Read at LibreTexts: https://math.libretexts.org/Courses/University_of_Science_and_Technology_of_Southern_Philippines-_Jasaan/Math_121-_Plane_Trigonometry
- PDF: https://downloads.libretexts.org/api/v1/download/math-215008/pdf

This textbook, prepared through LibreTexts, has been developed to support the course Math 121: Plane Trigonometry at USTP–Jasaan. It is designed to provide students with a structured, comprehensive, and engaging resource that aligns with the official course outcomes and weekly schedule.