Math Chapter Wise Complex Number, De Moivre's Theorem And Nth Root Of Unity English MCQ Rajasthan TGT 2013 Q.The argument of x + iy, x - iy when y > 1, x is A2 tan–1/y/x Bπ – 2 tan–1/y/x Ctan–1 2 2 x y − + D2 cot–1/y/x Show answer Correct answer: π – 2 tan–1/y/x