What is the result of rotating (1,0)(1, 0)(1,0) by 90∘90^\circ90∘ counter-clockwise about the origin?
(0,1)(0, 1)(0,1)
(1,1)(1, 1)(1,1)
(−1,0)(-1, 0)(−1,0)
(0,−1)(0, -1)(0,−1)