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Math·Geometry and Trigonometry·Right triangles and trigonometry

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In triangle $ABC$, the measure of angle $C$ is $90$ degrees. The cosine of angle $A$ is $\frac{60}{61}$. What is the sine of angle $B$?

A

$\frac{11}{61}$

B

$\frac{11}{60}$

C

$\frac{60}{61}$

D

$\frac{61}{60}$