23 Double Integral over Polar Coordinate.pptx 19 General Double Integrals and Volumes.pptx 19 General Double Integrals and Volumes.pptx 33 curls and stoke's theorem 31 surface integrals and flux 20 polar equations and graphs 20 polar equations and graphs x 10 arc length parameter and curvature 3 dot product angles-projection 
