Chapter 8.7, Problem 2ST2

To determine

To find $\cos E$ by using the triangle shown below.

  

Answer to Problem 2ST2

  $\cos E=\frac{24}{25}$

Explanation of Solution

Given:

  

Calculation:

In the given triangle,

  $\begin{array}{l}\cos E=\frac{\text{adjacent}}{\text{hypotenuse}}\\ =\frac{24}{25}\end{array}$