1 votes 1 votes For existence of f(x) = , x lies in (take n I) (1) [0, 2nπ] (2) (3) (4) None of these how to solve such question? Pl give detailed explanation. Always find difficult to solve Range and domain of such complex question. Linear Algebra linear-algebra range domain trigonomatric function modulus + – stanchion asked Dec 19, 2017 stanchion 538 views answer comment Share Follow See all 8 Comments See all 8 8 Comments reply Show 5 previous comments joshi_nitish commented Dec 20, 2017 reply Follow Share @hs_yadav $x\geq \infty$ is this even possible ?? 1 votes 1 votes hs_yadav commented Dec 20, 2017 reply Follow Share ...... :) 0 votes 0 votes stanchion commented Dec 21, 2017 reply Follow Share @ joshi_nitish Veteran But given answer is option (B) ie. x lies in { } I don't know, How? 0 votes 0 votes Please log in or register to add a comment.