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August 28, 2015

Homework Help: Calculus

Posted by Isaac on Friday, July 12, 2013 at 7:54pm.

The question is find the area of the reagion that is bounded by the curve y=arctan x, x=0, x=1, and the x-axis.

So I've drawn the enclosed region. To find the area would I use the Disc/shell method? If so the formula that I came up with looks like this:

If area = pi(r)^2 then it should be this...

= integral from 0 to 1 pi(arctan x)^2dx

is this correct? I took pi out to the front and then left arctanx^2.. what's the antiderivative of that? Im confused

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