Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ TGT 2005 Q.If y sinx sinx sinx.......... = + + + = + + + = + + + = + + + then the value of dy dx A2 1 cos y x − Bcos 2 1 x y − C2 1 cos x y − Dcos 2 1 y x − Show answer Correct answer: cos 2 1 x y −