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anonymous

  • 5 years ago

How would you find the bounds for this polar integral Use a double integral to find the area of the region enclosed by the curve r=4+3cos(theta)

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  1. anonymous
    • 5 years ago
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    \[r=4+3\cos \theta\]

  2. anonymous
    • 5 years ago
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    \[\int\limits_{0}^{\pi}\int\limits_{0}^{4+3\cos \theta}\]

  3. anonymous
    • 5 years ago
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    how did you get 0 to pie for the interval of theta

  4. anonymous
    • 5 years ago
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    You didn't give me anymore info, I don't know if there is more. Changing r to rectangular I it is a half circle, 0 to pi.

  5. anonymous
    • 5 years ago
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    that is the question given in the book, there is nomore information

  6. anonymous
    • 5 years ago
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    you don't need more. If you graph it you'll know. It's a cardiod, so the limits are 0 to 2pi, if I remember correctly

  7. anonymous
    • 5 years ago
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    and the thing you would be integrating is r dr dtheta don't forget the r!

  8. anonymous
    • 5 years ago
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    would the integration for r still be from 0 to 4+3costheta

  9. anonymous
    • 5 years ago
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    That one is set, I just wasn't sure of the angle.

  10. anonymous
    • 5 years ago
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    yeah, i agree

  11. anonymous
    • 5 years ago
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    chaguanas, so i like posted my question 3 times and that guy you were talking about still hasn't shown up yet

  12. anonymous
    • 5 years ago
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    thanks guys

  13. anonymous
    • 5 years ago
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    I think she lives in Australia or something and comes on in the middle of the night, with luck she would reply to it.

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spraguer (Moderator)
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