# 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 0â‰¤tâ‰¤2Ð¿:

Ok, so one loop is the half of this, i.e. 0â‰¤tâ‰¤Ð¿:

Now we have:

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

or:

A=4/3

https://brainmass.com/math/integrals/working-integrals-14087

## SOLUTION This solution is **FREE** courtesy of BrainMass!

Please see the attached document..

best wishes..

https://brainmass.com/math/integrals/working-integrals-14087