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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Maths > Chapter 10 - Straight Lines > 16. If p and q are the lengths of perpendiculars from the origin to the lines x cosθ – ysin θ = k cos2θ and x sec θ + y cosec θ = k, respectively, prove that p^2 + 4q^2 = k^2 .

16. If p and q are the lengths of perpendiculars from the origin to the lines x cosθ – ysin θ = k cos2θ and x sec θ + y cosec θ = k, respectively, prove that p^2 + 4q^2 = k^2 .

16. If p and q are the lengths of perpendiculars from the origin to the lines x cosθ - ysin θ = k cos2θ and x sec θ + y cosec θ = k prove that p^2 + 4q^2 = k^2 . respectively