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9 Cards in this Set

  • Front
  • Back
(1, 0) ~ 0
30°
(√3/2, 1/2) ~ π/6
45°
(√2/2), √2/2) ~ π/4
60°
(1/2, √3/2) ~ π/3
90°
(0, 1) ~ π/2
120°
(-1/2, √3/2) ~ 2π/3
135°
(-√2/2, √2/2) ~ 3π/4
150°
(-√3/2, 1/2) ~ 5π/6
180°
(-1, 0) ~ π