The Gateway Arch in St. Louis (see the photo on page 543) was constructed using the
Chapter 8, Problem 42(choose chapter or problem)
The Gateway Arch in St. Louis (see the photo on page 543) was constructed using the equation y 211.49 2 20.96 cosh 0.03291765x for the central curve of the arch, where x and y are measured in meters and | x | < 91.20. Set up an integral for the length of the arch and use your calculator to estimate the length correct to the nearest meter.
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