Pre-Calculus - Find All of the Solutions of an Equation Using the Double Angle Formulas

The video tutorial explains how to solve a trigonometric equation involving sine and cosine functions. The instructor begins by introducing the problem and discussing the lack of double or half angles. They then apply trigonometric identities to simplify the equation, transforming it into a single trigonometric function. The instructor solves the simplified equation and finds all possible solutions within a given interval. The tutorial concludes with a discussion on methods for solving similar problems using multiple angle formulas.

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