1.

For all values of θ, the lines represented by the equation (2 cos θ+3 sin θ)x+(3 cos θ−5 sin θ)y−(5 cos θ−2 sin θ)=0

Answer»

For all values of θ, the lines represented by the equation
(2 cos θ+3 sin θ)x+(3 cos θ5 sin θ)y(5 cos θ2 sin θ)=0




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