The range of y such that the equation in x,y+cosx=sinx has a real solution is
Figure shows a relation between set P and Q such that x ∈ P, y ∈ Q. What is the relation, domain and range?
For what values of k, the system of linear equations x + y + z = 2, 2x + y - z = 3, 3x + 2y + kz = 4 has a unique solution ?