Write 4 other points for (-3,11π/3) on -2π ≤ θ < 2π
subtract 2π from your angle -----> (-3,5π/3)
subtract another 2π from your angle ---> (-3,-π/3)
turn around π but go in the opposite direction ----> (3,2π/3)
I will let you find a fourth one.
subtract another 2π from your angle ---> (-3,-π/3)
turn around π but go in the opposite direction ----> (3,2π/3)
I will let you find a fourth one.