Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ KVS TGT 2017 KVS PGT-2023 Q.If y y sinx, then dy dx Acos x/y 1 Bsin y/x 1 Ccos x/2y 1 Dcos y/2x 1 Show answer Correct answer: cos x/2y 1