Find the Length of the curve.

flaren5

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Joined
May 17, 2013
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33
I was wondering if anyone could tell me if I'm correct with the question below.
Thank you.

2013-09-22 20.21.26.jpg

Where I was encountering problems was ln|sec(pi/4) + tan(pi/4)|, i wasn't sure if I was on the right track with ln|(sqrt2) + 1|....if anyone has any feedback, it would be greatly appreciated.
 
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