Find the curve's unit tangent vector.

r(t)=(2cost)i + (2sint)j + sqrt(5t) k

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- February 19th 2010, 05:03 PMsummer63tangent vectors
Find the curve's unit tangent vector.

r(t)=(2cost)i + (2sint)j + sqrt(5t) k - February 19th 2010, 05:31 PMbuffmcbigstuff