Question Analysis
This question focuses on using the sine trigonometric function in a right - triangle context. The main task is to solve for the unknown side given the value of and the length of the hypotenuse.
Key Concept Explanation
In a right - triangle, the sine of an angle is defined as . Here, , the hypotenuse is , and the side opposite the angle is .
Step - by - Step Solution
1. Given the equation .
2. To solve for , we multiply both sides of the equation by . This gives us