Algebra 2 - How to Solve a Trigonometric Equation Using the Double Angle Formula

The video tutorial covers solving trigonometric equations using the double angle formula. It begins with an introduction to the formula and its application. The teacher demonstrates solving an equation by moving terms to one side, factoring, and applying the zero product property. The solutions are found using the unit circle, focusing on when sine and cosine values meet specific conditions. The tutorial concludes with the final answers, emphasizing the importance of understanding the unit circle and trigonometric identities.

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