Factor and use fundamental identities to simplify

The video tutorial explains how to simplify a trigonometric expression involving tangent and sine functions. It begins by introducing the problem and suggests using trigonometric identities for simplification. The instructor demonstrates factoring as a method to simplify expressions and applies Pythagorean identities to further reduce the expression. The tutorial concludes with a step-by-step simplification, resulting in a simplified trigonometric expression.

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