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Math Help - integral of polar equationj

  1. #1
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    integral of polar equationj

    find the area enclosed by the cardioid with polar equation r=1sin(Θ)

    how do I find the bounds?
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  2. #2
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    Quote Originally Posted by superdude View Post
    find the area enclosed by the cardioid with polar equation r=1sin(Θ)

    how do I find the bounds?

    I suggest showing the curve is closed and when it passes through the origin .


     r = \sin(\theta)

    we know  \sin(n\pi) = 0 , n \in \mathbb{Z}


    Suppose a particle has turned  \pi or 180 degree . It comes back to the origin again !
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  3. #3
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    ok thanks
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