② Graph C can be regarded as graph B rotating clockwise around point O ().
(3) Figure B rotates clockwise around point O 180 to the position of Figure ().
④ Graph D can be regarded as graph C () rotating clockwise around point O..
(2) as shown in figure
① The pointer rotates 60 clockwise around the O point from "1" and then points to ().
② The pointer rotates 90 counterclockwise around the O point from "1" and then points to ().
(3) Rotate the graph in the direction of () by () degrees.
(4) Rotate the graph () degrees in the direction () to get the graph.
(5)① The figure 1 rotates 90 degrees clockwise around the O point to the position where the figure () is located.
② Figure 2 rotates clockwise () degrees around point O to the position where Figure () is located.
③ Figure 2 rotates clockwise () degrees around point O to the position of Figure 4.