prove that p^2 + 4q^2 = k^2 .

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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 .
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Oct
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 [...]
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Tags: 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 ,