Unit Circle Hand Trick - Amazing trick for evaluating trig functions without a calculator. It helps students memorize the unit circle quickly. Great technique for your high school math analysis or trig class.
These 12 page unit circle guided notes delve into the mathematics of the unit circle. Focus is placed on an understanding of side lengths of 45 - 45 - 90 triangles and 30 - 60 - 90 triangles. This understanding is then transferred to the unit circle.