Find the unit tangent vector T(t) at the point with the given value of the parameter t.

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Find the unit tangent vector T(t) at the point with the given value of the parameter t.

r(t) = 2 sin t i + 2 cos t j + tan t k, t = π/4

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Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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