👉 In mathematics, a hemiope is a plane curve defined by two equations: 1. x^2 + y^2 = 4a^2 2. xy = 0 where a is a positive real number and a ≠ 0. A hemiope can be parametrized as follows: x = 4acos(t) y = bsin(2t) Where t = 0, π/6, π/3, π/2, 3 hemiope