leehuan
Well-Known Member
- Joined
- May 31, 2014
- Messages
- 5,805
- Gender
- Male
- HSC
- 2015
Dot dot dot. I need to sleep early to fix up my sleeping pattern. Why you do this to me.oh great leehuan is here, i just had a question
when you rotate an area (shells), around a line i.e. y=-1, where the area is bound by an ordinate e.g. x=1, x-axis, and y=arcsin(x)
does the gap that is created i.e. from y = 0 -> -1 double? so making a cone-like shape with a gap of cylinder from y= 0 to -2.
So tired that I think my working out may bewrong