Pre Calc unit 3 How to use sine to find the missing side of a triangle

The video tutorial explains how to find the length of X using trigonometry. It begins by setting up a trigonometric equation with a given angle of 30 degrees and an opposite side of 5. The tutorial then demonstrates solving the equation by isolating X and using a calculator to find the value. It also provides guidance on ensuring the calculator is in the correct mode for degree calculations. The final result is calculated to be 10, and the tutorial concludes by confirming this result.

What steps should you take to set your calculator to the correct mode for this problem?

What is the final answer obtained when calculating X?