Use the image below to answer the following question: A right triangle is shown. The two angles that are not 90 degrees are marked x and y. The leg across from angle y measuring 9, another leg across from angle x measuring 12, and the hypotenuse measuring 15.

What relationship do the ratios of sin y° and cos x° share?

The ratios are both identical. (9 over 15 and 9 over 15)
The ratios are opposites. (negative 9 over 15 and 9 over 15)
The ratios are reciprocals. (9 over 15 and 15 over 9)
The ratios are both negative. (negative 15 over 9 and negative 9 over 15)