Exercise 16 Page 573

For the given right triangle, we want to write the ratios for the sine, cosine, and tangent of $\angle J$ and $\angle L.$

Ratios for $\angle J$

Let's start by identifying the $\text{hypotenuse}$ of the triangle and the sides that are $\text{opposite}$ and $\text{adjacent}$ to $\angle J.$