In this no prep fun activity, students determine reference angles for positive and negative angles in both degrees and radians, and also use reference angles to find the six trigonometric functions of common angles. This can be used in Trigonometry, PreCalculus, Geometry, Algebra 2. Problems are in degrees and radians, include positive and negative angles, quadrantal angles, and all six trigonometric functions. Students should not need a calculator for this activity. Included: 30 Digital Task Ca