Find a vector function that represents the curve of intersection of the two surfaces of the cylinder x^2+y^2=4 and the surface z=xy.
Find the area of the described region.
region enclosed by one petal of
r = 8 cos(9𝜃)
Tried for more than 6 hours on this problem but I haven't been able to solve it.
Find the parametric equation of the line through a parallel to b