If the system of linear equations (cosθ)x+(sinθ)y+cosθ=0, (sinθ)x+ – InterviewSolution

1.	If the system of linear equations (cosθ)x+(sinθ)y+cosθ=0, (sinθ)x+(cosθ)y+sinθ=0 and (cosθ)x+(sinθ)y−cosθ=0 is consistent, then the possible value(s) of θ∈[0,2π] is/are
Answer» If the system of linear equations $(cos θ) x + (sin θ) y + cos θ = 0,$ $(sin θ) x + (cos θ) y + sin θ = 0$ and $(cos θ) x + (sin θ) y - cos θ = 0$ is consistent, then the possible value(s) of $θ \in [0, 2 π]$ is/are

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