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Math·Geometry and Trigonometry·Right triangles and trigonometry

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In the triangle XYZ, angle Y is a right angle, XY = $\sqrt{105}$, and XZ = 53. What is the value of sin X?

A

$\frac{\sqrt{105}}{53}$

B

$\frac{\sqrt{105}}{52}$

C

$\frac{52}{53}$

D

$\frac{53}{52}$