1.

If p, p' be the lengths of perpendicular from (0, 0) on the lines: x sec theta+y "cosec"theta=2a and x cos theta+y sin theta=a cos 2theta respectively, then ((p)/(p')+(p')/(p))^(2) equals:

Answer»

`4cos^(2)4theta`
`4"cosec"^(2)4theta`
`4SIN^(2)4theta`
`4cot^(2)4theta`.

Answer :B


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