If a straight line through the origin bisects the line passing through the given points acosα,asinα and acosβ,asinβ, then the lines

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are perpendicular

are parallel

have a angle between them of π/4

none of these

answer is A.

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Detailed Solution

Since OA=OB=a,AOB is an isosceles triangle.The line through the origin bisecting AB will be perpendicular to AB.

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