Q55. If the expression sin x tan x⁄(1 − cos x) is equivalent to k + 1⁄cos x, what is the value of k?Mathematics — Trignometry — Question 55 of 479A. k = 1B. k = 2C. k = 3D. k = 4Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →