Double integrate from cartesian to polar and then evaluated

  • Thread starter jimbo71
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  • #1
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Homework Statement


convert double integral from line one to polar integral and then evaluate
see problem 12 attachment



Homework Equations


y=rsinx
x=rcosx
r^2=x^2+y^2



The Attempt at a Solution


see problem 12 attachment
I calculate a area of zero. are my limits wrong and if so which ones, or did i make a mistake in the aritmatic, or something else?
 

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Answers and Replies

  • #2
Tom Mattson
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Science Advisor
Gold Member
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You start to go wrong at the end of the 5th line. [itex]e^{-1}[/itex] does not equal [itex]e[/itex].
 

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