Determine the arc-length for the curve given by the vector function r(t) = < cos(-t), sin(-t), t?8 > with t changing from t = 1 to t = 9.
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Find the tangent vector T(t) by taking the derivative of the vector function r(t): T(t) = r'(t) = <0.8cos(t), cos(t), 0.8sin(t)> Show more…
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