Q45. What is the value of the following limit: lima→0 { [cosec-1(sec a) + cot-1(tan a) + cot-1(cos(sin-1 a))] / a } ?Mathematics — NUST Mock By IBAGRADS 5 — Question 45 of 200A. 0B. -1C. -2D. 1Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →