# Arclength Of Graph Of $$\ln(\sec(x))$$

Calculus Level 3

Let $$\Gamma$$ denote the graph of $$f(x) = \ln(\sec(x))$$. What is the arclength of the segment of $$\Gamma$$ bounded by the points $$(0,0)$$ and $$\left (\dfrac \pi4, \ln(\sqrt{2})\right)$$?

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