# Integrals and arc length

Evaluate the integral in the attached file "Arc Length.doc" for arc length (L).

The intent is to solve for a numerical answer and the values for a, b, and t are all constant.

https://brainmass.com/math/integrals/integrals-arc-length-14871

#### Solution Preview

See attachment

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Changing cos2 (w3t) for 1 - sin2 (w3t) and reducing radical to the form

we change also the integration variable for 3 ...

#### Solution Summary

The expert evaluates the integral in the attached file for arc length (L).

$2.19