Find the unit tangent vector to the curve defined by 7(t) = (4 cos(t), 4 sin(t), 5 sin°(t)) %3D 37 at t %3| 4 r(부) - 37 Use the unit tangent vector to write the parametric equations of a tangent line to the curve at t = 4 z(t) y(t) = z(t) =

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Q: 10b. Find the parametric equations of the tangent line to the curve at t =1.

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