Answer:
[tex]\cos(D) = 0.2195[/tex]
Step-by-step explanation:
Given
The attached triangle
Required
[tex]\cos(D)[/tex]
This is calculated as:
[tex]\cos(D) = \frac{Adjacent}{Hypotenuse}[/tex]
So, we have:
[tex]\cos(D) = \frac{1.8}{8.2}[/tex]
[tex]\cos(D) = 0.2195[/tex]
