2014 14m²)) ²)) = (cos 4x) - 1; which of the For the equation 2 cos 2x cos 2x - cos (cos following is/are correct? (A) The number of solutions of the equation is 3. (B) The sum of all the positive solutions is 1080 (C) The number of positive solutions is 4 (D) The sum of all positive solutions is 1008