Reference Triangles (30-60 and 45-45 Trigonometry)

Learn the two reference triangles: 30-60 and 45-45 special triangles and their trig ratios. It important to memorize the relationships of the sides and then practice a few problems to see how they can be put to use. This video covers the six trig function values for these triangles and also goes through four quick examples that solve for sides without the need for a calculator. Hope it helps!