(2,−60∘)\left(2,-60^{\circ}\right)(2,−60∘)
(2,30∘)\left(2,30^{\circ}\right)(2,30∘)
(2,120∘)\left(2,120^{\circ}\right)(2,120∘)
(2,240∘)\left(2,240^{\circ}\right)(2,240∘)
