Q51. What is the value of the expression cot4 θ + cot2 θ, where θ is not an integral multiple of π?Mathematics — Trignometry — Question 51 of 479A. cosec2 θ - sec2 θB. cosec4 θ - cosec2 θC. cosec2 θ + sec2 θD. cosec4 θ + cosec2 θPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →