Blank Unit Circle
I taught the Unit Circle in half the time with twice the retention with this trick! Great supplement to teaching the special triangles! http://geometrycoach.com/the-unit-circle-hand-trick/
Unit Circle Kit - I love the unit circle - it's SO useful!
Real, and irrational...: Trigonometry Unit Circle Fun - Made4Math!
Exact Values of the Unit Circle Color by Number http://mrscookkhs.blogspot.com/2013/12/exact-values-color-by-number.html
My memory for this kind of thing was much better back in high school, but this still could have been helpful for those pesky reference angles!
Full explanation Hand unit circle - I might mirror it on my right hand instead so that my cosine is on the left and sine is on the right.
Unit circle relationship to sine and cosine
Calculus for Beginners and Artists is an online textbook that provides an overview of Calculus in clear, easy to understand language designed for the non-mathematician. Thank you MIT OpenCourseWare for awesome, free resources and classes!!!
misscalcul8: Trig Unit 4: Unit Circle Interactive Notebook