1.

If p and q are the prependicular distance from the origin to the straight lines xsectheta-ycosectheta=a and xcostheta+ysin theta =acos2theta then

Answer»

`4p^2+q^2=a^2`
`p^2+q^2=a^2`
`p^2+q^2=a^2`
`4p^2+q^2= 2a^2`

ANSWER :A


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