AP EAMCET Engineering 2018 Apr 24 Shift 1 Paper

Section: Mathematics

Question : 53 of 160

Marks: +1, -0

If from any point on the circle x2+y2 + 2gx + 2fy + c = 0 , tangents are drawn to the circle x2+y2 + 2gx + 2fy + c sin2 α + (g2+f2)cos2 α = 0 , (0<α<

) then the angle between those tangents is

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