Q67. What is the derivative of (cos-1x)-1 with respect to x?Mathematics — FAST Mock 4 — Question 67 of 120A. 1 / (√(1-x2) ⋅ (cos-1x)2)B. -1 / (√(1-x2) ⋅ (cos-1x)2)C. -1 / √(1-x2)D. 1 / (cos-1x)2Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →