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Math Help - area element in polar coordinates

  1. #1
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    area element in polar coordinates

    using only trigonometric identities, derive the differential area element in polar coordinates? any help with this problem or at least a start?
    dont solve the problem for me, i would just like some clues, thanks
    i know this much so far
    dA=(dr)(rd θ)
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  2. #2
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    Quote Originally Posted by markapplegate View Post
    using only trigonometric identities, derive the differential area element in polar coordinates? any help with this problem or at least a start?
    dont solve the problem for me, i would just like some clues, thanks
    i know this much so far
    dA=(dr)(rd θ)
    Read this: Area and volume elements in polar coordinate systems
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  3. #3
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    thanks for the information, im still not sure how to start this problem at all though? what would you start with?
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