Math Chapter Wise Trigonometrical Identities And Circular Function English MCQ UP TGT-2016 (08-03-2019) Q.The general solution of sinx + cosx = 1 is given by / Ax = 2nπ Bx 2n 2 π = π + C()n x n 1 4 4 π = π + − − DNone of these Show answer Correct answer: ()n x n 1 4 4 π = π + − −