Calculus 3: Vector Calculus: Motion in Plane (3 of 15) Motion Along a Circle

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In this video I will find the velocity vector v(t=pi/4)=? at t=pi/4 given the position vector r(t)=2cos(t)i+2sin(t)j.

Next video in the series can be seen at:
https://youtu.be/jyZvHHQW29k

Questions?

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