Pre-Calculus Unit Circle - dummies

By Yang Kuang, Elleyne Kase

Part of Pre-Calculus For Dummies Cheat Sheet

In pre-calculus, the unit circle is sort of like unit streets, it’s the very small circle on a graph that encompasses the 0,0 coordinates. It has a radius of 1, hence the unit. The figure here shows all the measurements of the unit circle:

The pre-calculus unit circle