Just do normal division, just like ignore the decimal point. for a moment once you got your answer bring back the decimal point back up to your answer. You would get 0.27 as your answer.
Answer:

Step-by-step explanation:
To get the answer just subtract f(x) by g(x)
The work is shown below:

6 is 75% of 8. 6/8 can be simplified to 3/4, which is easier to see as 75%.
Since the equation says "cos(x-2)", we know that the horizontal displacement is 2 units.