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anonymous

  • 5 years ago

polar problem, r = 10 sin theta, change to cartesian equation, i multiplied both sides by r, r^2 = 10 r sin theta , x^2 + y^2 = 10 y

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  1. anonymous
    • 5 years ago
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    oh i think i got a circle

  2. amistre64
    • 5 years ago
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    10 sin(t) is a rose maybe?

  3. anonymous
    • 5 years ago
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    subtract 10 y from both sides, complete the square

  4. anonymous
    • 5 years ago
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    no we started with r = 10 sin theta

  5. amistre64
    • 5 years ago
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    http://www.wolframalpha.com/input/?i=polar {10sin%28t%29}

  6. anonymous
    • 5 years ago
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    multiply both sides by r

  7. amistre64
    • 5 years ago
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    its a circle offcentered

  8. anonymous
    • 5 years ago
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    r^2 = 10 r sin theta, so x^2 + y^2 = 10 y

  9. anonymous
    • 5 years ago
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    x^2 + y^2 - 10 y = 0, and complete the suqare

  10. amistre64
    • 5 years ago
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    that looks good

  11. anonymous
    • 5 years ago
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    how did you get a rose?

  12. amistre64
    • 5 years ago
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    i dint; i was trying to remember what it looked like and apparentlly forgot :)

  13. anonymous
    • 5 years ago
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    no problem :) thanks

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