Shows you how to use the Cosine Ratio to find and unknown side of a right angle triangle.
How to? - Trigonometry Cosine Ratio is a free educational video by skoolm8.It helps students in grades 9,10,11,12 practice the following standards HSG.SRT.C.6.
1. HSG.SRT.C.6 : Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.
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