Algebra-2

Question Analysis
This problem tests the understanding of the sine ratio in a 45-45-90 triangle.

Key Concept Explanation
In a 45-45-90 triangle, the sides are in the ratio 1:1: . The sine of a 45-degree angle is always , regardless of the hypotenuse length.

Step-by-step Solution
1. Identify the type of triangle: 45-45-90 triangle.
2. Recall the sine value for a 45-degree angle:

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