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Math Help - Finding the length of a curve ??

  1. #1
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    Finding the length of a curve ??

    Consider one arch of y=sin(x) for 0 <= x <= pi

    Write an integral whos value is the length of this curve ??



    Ok this is my first time seeing a question where it asks to find the Length of a curve ??

    so how do i begin ??
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  2. #2
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    Quote Originally Posted by Khonics89 View Post
    Consider one arch of y=sin(x) for 0 <= x <= pi

    Write an integral whos value is the length of this curve ??



    Ok this is my first time seeing a question where it asks to find the Length of a curve ??

    so how do i begin ??
    If you've been asked this question then you must have been taught the arclength formula. Go back and look in your class notes and/or textbook.
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    hmm are you refering to L= R@ ??

    this was in our past exam papers ???

    the thing is- it said using integration ???
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    Quote Originally Posted by Khonics89 View Post
    hmm are you refering to L= R@ ??

    this was in our past exam papers ???

    the thing is- it said using integration ???
    Read this: Pauls Online Notes : Calculus II - Arc Length

    (If you're not familiar with this formula I don't know why you're attempting the question you posted).
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