Question
Fri January 21, 2011 By: Arun Iyer

If p and q are the lengths of perpendiculars from the origin to the lines xcos? -ysin? =kcos2? and xsec? + ycosec? = k , respectively, prove that p^2 + 4q^2 = k^2

Expert Reply
Fri January 21, 2011
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