By Stokes' theorem, the line integral of over is given by the surface integral of the curl of over , where is the region of intersection of the plane and the cylinder with having positive/upward orientation.
Parameterize by
with and .
Take the normal vector to to be
The curl of is
Then the line integral is equivalent to
The correct answer is:
C) 40°
Answer:
Step-by-step explanation:
Given: