This trigonometry video tutorial explains how to calculate the missing side length of a triangle. Examples include the use of the Pythagorean theorem, trigonometry ratios such as sine, cosine, & tangent in SOH CAH TOA, the law of sines, the law of cosines, and using the geometric mean to calculate the altitude to hypotenuse triangle problems.
Trigonometry - Free Formula Sheet:
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Trigonometry Video Lessons:
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Final Exam and Test Prep Videos:
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