Hi!

If has coordinates , find the coordinates of the point.

a.

Quadrant 2: moving by π goes half a circle which ends up in Quadrant 4.

b.

I just switch the signs.

c.

Moving clockwise from Quadrant 2, ending up in Quadrant 4.

d.

From b., moving clockwise from Quadrant 4, ending up in Quadrant 2.