Q64. If α, β, and γ are the angles of a triangle, what is the value of the expression cot α cot β + cot β cot γ + cot γ cot α?Mathematics — Trignometry — Question 64 of 479A. 3B. 2C. 1D. 0Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →