Section 4.4: The Law of Sines
Non-right Triangles: Law of Cosines
Chapter 7.4 - Exploring Other Trigonometric Functions
Trigonometry and Right Triangles, Boundless Algebra
Trigonometry – Simple Book Publishing
Answered: 1. What method would you use to solve…
Right Triangle Trigonometry – Algebra and Trigonometry OpenStax
Appendix N: Trigonometry – Physics 131: What Is Physics?
Section 1.4: Trigonometric Functions – Baylor University's Co-requisite Supplement for Calculus I