Explore the world of trigonometry by mastering right triangles and their applications, understanding and graphing trig functions, solving problems involving non-right triangles, and …

In this video, I want to give you the basics of trigonometry. And it sounds like a very complicated topic, but you're going to see that it's really just the study of the ratios of sides of triangles.

Practice Trig identities from reflections and rotations Get 3 of 4 questions to level up!

Learn Interpreting trigonometric graphs in context Trig word problem: modeling daily temperature Trig word problem: modeling annual temperature Trig word problem: length of day (phase …

Practice Find trig values using angle addition identities Get 3 of 4 questions to level up!

Precalculus 10 units · 131 skills Unit 1 Composite and inverse functions Unit 2 Trigonometry Unit 3 Complex numbers Unit 4 Rational functions Unit 5 Conic sections

I understand how to apply the trig ratios in their purest form (absolute and a standard right angle triangle). I also understand the theory of using the unit circle to extend the domain of sin …

Knowing trig identities is one thing, but being able to prove them takes us to another level. In this unit, we'll prove various trigonometric identities and define inverse trigonometric functions, …

And the whole point of what I'm doing here is I'm going to see how this unit circle might be able to help us extend our traditional definitions of trig functions.

Learn how to use trig functions to find an unknown side length in a right triangle.