Answer:
Approximately $5.53
Step-by-step explanation:
You need to multiply the cost of meat per kilogram by the amount you you buy in kilograms.
$8.50*0.65= $5.525
That rounds to $5.53
Our angle teta is:
teta = 3pi/4
since that is larger than pi/2 but less than pi that means that our angle lies in II quadrant (x negative y positive)
sin(3pi/4) = √2/2
cosine and tangent of that angle must be negative because of position of the angle.
cos(3pi/4) = -√2/2
tan(3pi/4) = -1
6.6 is the answer to that
