A line segment with endpoints at #(1 , -4 )# and #(2, 7 )# is rotated clockwise by #(3 pi)/2#. What are the new endpoints of the line segment?
1 Answer
Jul 10, 2017
Explanation:
#"assuming rotation about the origin"#
#"under a clockwise rotation about the origin of " (3pi)/2#
#• " a point " (x,y)to(-y,x)#
#rArr(1,-4)to(4,1)#
#rArr(2,7)to(-7,2)#
