Answer:
18.1
<em>The thing You NEEDED to do</em>
<h3>
<u>Simplify</u> or <u>Evaluate</u> Your Answer</h3>
I got 25/21 or 1 4/21, but there’s a possibility I could’ve made a mistake in my math so you should double check it just in case.
Answer:
Eli=180 Freda=260 and Geoff=360
D over dx (x sin^2(x)) = sin(x) (sin(x) + 2 x cos(x))