rotation/reflection rules

reflection by x-axis

reflection by x-axis

x,-y

reflection by y-axis

-x,y

y=x

y,x

y=-x

-y,-x

rotation by 90 (cw)

y,-x

rotation of 90 (ccw)

-y,x

rotation of 180 (ccw/cw)

-x,-y

rotation of 270 (cw)

-y,x

rotation of 270 (ccw)

y,-x