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Consider the curve r(t) = cost(t)i + sin(t)j + (2/3)t2/3k Find: a. the length of the...

Consider the curve r(t) = cost(t)i + sin(t)j + (2/3)t2/3k

Find:

a. the length of the curve from t = 0 to t = 2pi.

b. the equation of the tangent line at the point t = 0.

c. the speed of the point moving along the curve at the point t = 2pi

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