Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ OAVS TGT 2018 Q.Find the derivative of cos–1 (cot x). Acot x B2 cot x 1 csc x C2 cosec x 1 cot x − D2/csc x Show answer Correct answer: 2 cosec x 1 cot x −