Question

Help needed quick!!!!!!!!!1

Answer 1

`\cos(D) = 0.2195`

Explanation:

Given

The attached triangle

Required

`\cos(D)`

This is calculated as:

`\cos(D) = (Adjacent)/(Hypotenuse)`

So, we have:

`\cos(D) = (1.8)/(8.2)`

`\cos(D) = 0.2195`