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Q29. Which of the following statements is incorrect?

Mathematics — NUST Mock By Dogers 2 — Question 29 of 200

A. cot-1(1/x) = tan-1(x), for x > 0
B. cos-1(1/x) = sec-1(x), for |x| ≥ 1
C. cos-1(-x) = π - cos-1(x), for |x| ≤ 1
D. sin-1(-x) = π - sin-1(x)

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Which of the following statements is incorrect? | Mathematics MCQ #29 | Examora | Examora