## Question

###### Given r(t) = (tsint + cost)i + (tcost _ sint)j Find the curve's units tangent vector. Also find the length of the curve from t = V2 to t = 2

Given r(t) = (tsint + cost)i + (tcost _ sint)j Find the curve's units tangent vector. Also find the length of the curve from t = V2 to t = 2

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