Find the domain and range of the function whose graph is as shown below
1
Domain = R - [-1, 1], Range = [-1,1]
2
Domain = R - {x : x = nπ, n ∈ Z}, Range = R - (-1, 1)
3
Domain = R - {x : x =(2n+1)π, n∈Z}, Range = R - [-1, 1]
4
Domain = R - {x : x = nπ, n∈Z}, Range = R