A line segment with endpoints at #(1 , -2 )# and #(5, 9 )# is rotated clockwise by #(3 pi)/2#. What are the new endpoints of the line segment?
1 Answer
Jan 25, 2018
Explanation:
#"assuming a rotation about the origin"#
#"under a clockwise rotation about the origin of "(3pi)/2#
#• " a point "(x,y)to(-y,x)#
#rArr(1,-2)to(2,1)#
#rArr(5,9)to(-9,5)#
