Question

Suppose that the position of one particle at time t is given by x1 = 4 sin(t), y1 = 2 cos(t), 0 ≤ t ≤ 2π and the position of a second particle is given by x2 = −4 + cos(t), y2 = 1 + sin(t), 0 ≤ t ≤ 2π.

-find the collision points. (Enter your answers as a comma-separated list of ordered pairs)