OpenStudy (anonymous):

How are the coordinates of the new point found if it is rotated 270° counterclockwise? How many degrees is that equivalent to if the rotation is clockwise?

5 years ago
OpenStudy (anonymous):

$(x,y) \rightarrow (y,-x)$ 360-270=90 so its the same as 90 clockwise

5 years ago
OpenStudy (anonymous):

thanx

5 years ago