Convert cot (21 pi/2-theta) into the simplest form. Share with your friends Share 2 Anuradha Sharma answered this cot21π2-θ= cot10π+π2-θ=cot2×5π+π2-θAs we know that cot 2nπ+x=cotxcot2×5π+π2-θ=cotπ2-θ=tanθ 2 View Full Answer