Recent content by Ironmaningell

Oh, right, that makes sense. Thanks again for all your help friend, you've been a great help.

Yuck. Haha, thanks so much for the help, saved the day for me. I think I understand now. But let me ask one more question, in the original formula \int 2\pi y ds what would I do with that y variable? Leave it as a variable? Wouldn't that leave the result still with y, r, and theta...

Wait...I'm sorry, I don't know what you mean. Could you elaborate a little further? I think my question is substitute what for what?

Hello, the problem I'm working on is to find and set up the integral whose value is the area of the surface obtained by rotating the curve about the x-axis, then another integral to find the surface area by rotating about the y-axis. I do not need to evaluate these integrals, just set them up...