Introduction to Right Triangle Trigonometry - Precalculus Trigonometry

Explore the fundamentals of right triangle trigonometry in this comprehensive lecture. Learn about sine, cosine, tangent, and their reciprocal functions within the context of right triangles. Discover how to apply these concepts effectively and understand the co-function relationships and their resulting identities. Delve into topics such as the unit circle approach, Pythagorean Theorem, finding trig functions, complementary angles, and simplification techniques. Gain a solid foundation in trigonometry through clear explanations and practical examples, preparing you for more advanced mathematical concepts.

Introduction
Labels
Opposite and adjacent sides
Unit circle approach
Recap
Pythagorean Theorem
Finding Trig Functions
Finding a Right Triangle
Finding the Trig Functions
Complementary Angles
Substitutions
Tangents
Sine and cosine
Simplifying