Question: Find parametric equations and a parameter interval for the motion of a particle that starts at (a, 0) and traces the circle x 2 +

Find parametric equations and a parameter interval for the motion of a particle that starts at (a, 0) and traces the circle x2 + y2 = a2

a. Once clockwise.

b. Once counterclockwise.

c. Twice clockwise.

d. Twice counterclockwise.

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