Answer:
y=-1/2x + 3/2
Step-by-step explanation:
Equate what is inside cosine with
, base period and solve for x,



Hope this helps :)
There are many for this ,but one sample is: 2 divided by 2is 4 X 3 which is 12.
The magnitude of the vector is

the component form is
<2,5>
43.0810
Since the hundred thousandths is a 1 which is less than a 5, you have to round down.