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    Working with Integrals

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    Can anyone show me the working between the integral in the enclosed file & the answer of A = 4/3

    First let's sketch the graph for 0≤t≤2п:

    Ok, so one loop is the half of this, i.e. 0≤t≤п:

    Now we have:

    where x=f(t) and y=g(t). Then we have:

    or:
    A=4/3

    © BrainMass Inc. brainmass.com March 4, 2021, 5:51 pm ad1c9bdddf
    https://brainmass.com/math/integrals/working-integrals-14087

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