Q62. Which of the following is the correct trigonometric identity for cot(α + β)?Mathematics — Trignometry — Question 62 of 479A. (cot α cot β - 1) / (cot β + cot α)B. (cot α cot β + 1) / (cot β - cot α)C. (cot α cot β + 1) / (cot β + cot α)D. (cot α cot β - 1) / (cot β - cot α)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →