Pre-Calculus 12 - Video #25: Trigonometric Basics

Описание: Back to the world of Trigonometry. We look here at Vocabulary and refresh ourselves on things we discussed in Pre-Cal 11 (Reference and Co-Terminal Angles, Standard Position and the Terminal Arm), then we look at Radians.

What are Radians? How can we calculate them? How do they help us determine Arc Length?

Enjoy!!