This video lesson introduces students to the trig ratios and teaches them how to find the sine, cosine, and tangent of a right triangle.In particular, your students will learn... * That trigonometry means triangle measure * What three trig ratios (sine, cosine, and tangent) represent * How to find the sine, cosine, and tangent of a given angle You receive not only the instructional video but accompanying notes for students to complete as they watch the lesson. Answer key is also included. Upon p