How To Calculate The Missing Side Length of a Triangle

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.

Full-Length Math & Science Videos:

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Basic Trigonometry:

Law of Sines:

Law of Cosines:

Angle of Elevation Problems:

Evaluating Trig Functions Given a Point:

Exact Value of 5 Remaining Trig Functions:

Evaluate Trig Functions Using Reference Angles:

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How To Graph Trig Functions:

How To Graph Sine and Cosine:

Evaluating Inverse Trig Functions:

Finding The Missing Angle of a Triangle:

Two Triangle Trigonometry Problems:

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Bearings Vs Direction - Word Problems:

Bearing Problems and Navigation:

Two Triangle Problems - More Examples:

Trigonometry Final Exam Review:

Final Exams and Video Playlists:

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