How to determine the missing value of a triangle using sine

The video tutorial explains how to solve for the value of Y in a triangle using trigonometric functions. It begins by identifying the sides of a triangle: hypotenuse, adjacent, and opposite. The tutorial then covers the basic trigonometric functions: sine, cosine, and tangent, and how they relate to these sides. The main focus is on using the sine function to find Y, given an angle of 60 degrees. The instructor demonstrates the calculation process, emphasizing the importance of setting the calculator to degree mode. The final result is calculated and rounded appropriately.

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