Lesson 2-04, Part IV - Trig Values Using Special Triangles
A demonstration of how to use special triangles (45-45-90 and 30-60-90) to find trig values of angles lying in Quadrants II, III, and IV
A demonstration of how to use special triangles (45-45-90 and 30-60-90) to find trig values of angles lying in Quadrants II, III, and IV