How to use tangent to find the missing leg of a triangle

The video tutorial explains how to find a missing side length in a triangle when traditional methods like the Pythagorean theorem and special triangles are not applicable. It introduces the use of trigonometric functions, specifically the tangent function, to solve the problem. The tutorial guides through identifying the given and required sides, applying the tangent function, and solving the equation to find the missing side length using a scientific calculator.

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