Show that, whatever be the value of a, the lines x cos a + y sin ct = – InterviewSolution

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1.	Show that, whatever be the value of a, the lines x cos a + y sin ct = a and x sin ct - y cos a = a are tangents to the circle x^(2) + y^(2) =-a^(2). Hence obtain the locus of the points from which perpendicular tangents can be drawn to the circle x^(2) + y^(2) =a^(2 )
Answer» ANSWER :`2A^(2)`

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