Positive cosine is first or fourth quadrant. So we don't know the sign of the sine or the tangent.
Everybody's favorite right triangle is 3/4/5 and here we have

So if

then

and

Answer:
it depend
Step-by-step explanation:
hopefully i help
$9802.90
17.4% = 0.174
so retail price = 8,350 + 8,350 * 0.174
= $9802.90