Determine all solutions of the given equation. Express your answer(s) using radian measure. (Select all that apply.) 2 cot2 x + csc2 x - 2 = 0 Ox = 1/3 + nick, where k is any integer Ox = 1/6 + nik, where k is any integer O x = 21/3 + ick, where k is any integer Ox = 51/6 + nik, where k is any integer O none of these