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Thread: Converting polar

  1. April 28th 2009, 02:28 PM #1
    leinadwerdna
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    Converting polar

    Write the polar equation in geometric/cartesian form:
    r=2sin(theta)
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  2. April 28th 2009, 03:30 PM #2
    skeeter
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    Quote Originally Posted by leinadwerdna View Post
    Write the polar equation in geometric/cartesian form:
    r=2sin(theta)
    r = 2\sin{\theta}

    multiply both sides by r ...

    r^2 = 2r\sin{\theta}

    x^2 + y^2 = 2y

    x^2 + y^2 - 2y = 0

    x^2 + y^2 - 2y + 1 = 1

    x^2 + (y-1)^2 = 1
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