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Calculate Length of Side using Trigonometry

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More Lessons for Grade 9 Math
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Examples. videos, worksheets, solutions, and activities to help students learn how to find the missing side of a right triangle given an angle and side using trigonometry.

Right Triangle Trigonometry
This video explores basic right triangle trigonometry used to locate a missing side in a right triangle.
Using Cosine ratio to find side length

Trigonometry Revision
Basic introduction to sin, cos and tan including finding the missing side when given one side and one angle and a right angle.

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