Learning how to solve an equation using the sum and difference formulas for sine

The video tutorial covers the application of sum and difference formulas in trigonometry. It begins with an introduction to the formulas, followed by a detailed explanation of how to apply them. The instructor then demonstrates solving an equation using these formulas, emphasizing the importance of correctly labeling variables. The tutorial concludes with using the unit circle to find the solution, highlighting key points where the sine value equals one.

How do you determine the value of sine of X when it equals 1?

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Identify the coordinate point on the unit circle where the Y coordinate is equal to 1.

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