1.3 Right Triangle Trigonometry

OpenStax Precalculus 2e — Chapter 5, Section 5.3

Learning Objectives

  • Define all six trig functions using opposite, adjacent, and hypotenuse

  • Solve right triangles given sufficient information (AAS, ASA, SSA)

  • Apply right triangle trig to elevation/depression angle problems

  • Relate right triangle definitions to the unit circle definitions

Key Concepts

To be filled during study.

Practice Problems

To be completed with textbook exercises.

Section Summary

To be written after completing the section.

Study Notes

Personal observations and connections to engineering work.