how would you represent the area outside given y= 4cos(2theta) but outside y=4 ?

Answer 1

4 cos anything is never bigger than 4 so there is no overlap here

Answer 2

Will u please answer it with detailed

Answer 3

look at the graphs here:

http://www.wolframalpha.com/input/?i=plot+y+%3D+4cos%282x%29%2C+y%3D4

Now you have to clarify what you mean by "outside" a line