1. A vector-valued function r(t) in R3 traces a circle that lies completely on the plane z=3 and with center (0,0,3).  (1.1) Find the component functions of r(t).  (1.2) Find the equation in vector form of the tangent line to r(t) at the point where t=π.

Q: (9.) r(t) = (1, cos t, 2 sin t)

A: As per your query the solution of question no 9 is given the next step.

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