Sine and Cosine Ratios Part 1
This lesson explains what ratios of sides in a right triangle the Sine and Cosine ratios are and how to use them to find sides and angles in right triangles. This is the first part of a two part lesson. For the conclusion to this lesson search for Sine and Cosine Ratios Part 2. This is one of a series of math video lessons created for the MPM2D grade 10 Academic math course in the province of Ontario, Canada.