anonymous
  • anonymous
Find the volume of the solid of revolution obtained by rotating the curve x = e^t, y = cos t, t E [0, π], around the x axis.
Mathematics
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
yikes calc 2 no fun
anonymous
  • anonymous
I'm confused...... do you mean x=e^y and y=cos(x) and x E[0, pi]? because the problem as it is says y and x are both functions of t
anonymous
  • anonymous
x = e^t y = cost \[t\in [0,π]\] Answer is supose to be 3π(e^π-1)/5 Cant find how i get it on my own it seems, but im still trying Thanks for all help

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anonymous
  • anonymous
Oh.....your working with parametric equations
anonymous
  • anonymous
correct
anonymous
  • anonymous
do you have the equation for volume? I don't see it on my calc two book?
anonymous
  • anonymous
Cant find a good example, but maybe this site http://tutorial.math.lamar.edu/Classes/CalcI/VolumeWithRings.aspx

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