Evaluate double integral by changing to polar coordinates

  • #1
HW13CALCHELP.jpg


what'd I do wrong?
I was told I didn't include the bound y<=x but that still hasn't helped me figure out where I miss stepped

thanks
-Ben
 
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Answers and Replies

  • #2
Dick
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Ok, why did you ignore the advice that you didn't include the bound y<=x? You didn't, so you angular limits are wrong. For another thing, arctan(tan(t)) is not necessarily t. tan(5*pi/4)=1. arctan(1)=pi/4. You'll have to split along quadrants as well.
 
  • #3
I didn't ignore the advice, it just wasn't enough for me to go on to find and correct my error.
I understand now. Thank you for your help.
-GL
 

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