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
Jim G.
Jan 25, 2018

(1,-2)to(2,1),(5,9)to(-9,5)

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)

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