Question Analysis
This problem assesses the understanding of the sine function in a right triangle.
Key Concept Explanation
The sine of an angle in a right triangle is the ratio of the length of the opposite side to the hypotenuse. Mathematically,
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Step-by-step Solution
1. Identify the given values: Opposite side = 9 units, Hypotenuse = 15 units.
2. Use the sine function: