Which statement describes the graph and orientation of the parametric equations x=9cost and y=9sint?
A.The graph is a circle with a radius of 3. The orientation is counterclockwise as t increases.
B. The graph is a circle with a radius of 9. The orientation is clockwise as t increases.
C. The graph is a circle with a radius of 3. The orientation is clockwise as t increases.
D. The graph is a circle with a radius of 9. The orientation is counterclockwise as t increases.