If from any point P on the circle x 2 + y 2 +2gx+2fy+c=0, tangents are drawn to the circle x 2 + y 2 +2gx+2fy+c sin 2 α+( g 2 + f 2 ) cos 2 α =0, then the angle between the tangents is:

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Arun · Answer

Dear student I am getting answer as angle = 2 alpha. Please let me know if this is correct or not. Regards Arun (askIITians forum expert)

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If from any point P on the circle x 2 + y 2 +2gx+2fy+c=0, tangents are drawn to the circle x 2 + y 2 +2gx+2fy+c sin 2 α+( g 2 + f 2 ) cos 2 α =0, then the angle between the tangents is:

If from any point P on the circle x²+ y²+2gx+2fy+c=0, tangents are drawn to the circle x²+ y²+2gx+2fy+c sin²α+( g²+ f²) cos² α =0, then the angle between the tangents is:

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If from any point P on the circle x 2 + y 2 +2gx+2fy+c=0, tangents are drawn to the circle x 2 + y 2 +2gx+2fy+c sin 2 α+( g 2 + f 2 ) cos 2 α =0, then the angle between the tangents is:

If from any point P on the circle x2+ y2+2gx+2fy+c=0, tangents are drawn to the circle x2+ y2+2gx+2fy+c sin2α+( g2+ f2) cos2 α =0, then the angle between the tangents is:

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If from any point P on the circle x²+ y²+2gx+2fy+c=0, tangents are drawn to the circle x²+ y²+2gx+2fy+c sin²α+( g²+ f²) cos² α =0, then the angle between the tangents is: