Using the Cosine Ratio in Right Triangles
By LearnZillion MathFrom boclips.com
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In this video, the teacher explains how to use the cosine ratio to find the length of a ladder needed to climb to a roof at a specific angle. By comparing the ratios of the side adjacent to the angle and the hypotenuse in a right triangle, students can calculate the length of the ladder.
Tags
Tutorial
Mathematics
Geometry
Upper Primary
Lower Primary
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