This unit contains four lessons that teach students the trigonometric ratios on the unit circle. There are student fill-in-the blank notes and examples that go with each PowerPoint. All answers are in the PowerPoints.The bundle includes the following files:1. Right Triangle Trigonometry (trigonometric ratios, special right triangles, cofunction identities) (16 slides)1. Right Triangle Trigonometry Student Notes (3 pages)2. Radian and Degree Measure (including coterminal angles, arc length, and a