Find the arc length of the curve

y= - ln (cosx)for0 <=x<=pi/4

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- March 17th 2007, 12:23 PMharrycalculus, find length of curve
Find the arc length of the curve

*y*= - ln (cos*x*)*for*0 <=x<=pi/4 - March 17th 2007, 02:09 PMCaptainBlack