Answer:
Trust me! I got this on a test!
C≈12.57in
The problem ask to find the value of the cos(infinity) and the best answer, base on my further calculation and formulation that came up to a solution that leads me to an answer that the cos(infinity) is undefined but it has a range of (-1,1). I hope you are satisfied with my answer and feel free to ask for more
Yes they are functions
I hope this helped
The answer is b
Area=[pi]r2
= [pi](12 in)2
=452.16 in2
