If the angle between the lines represented by the equation `y^2+kxy-x^2tan^2A=0 is 2A`, then K is equal to

The line x-2y=0 will be a bisector of the angle between the lines represented by the equation x^2-2hxy-2y^2=0 , if h is equal to

The angle between the lines represented by the equation 2x^2+3xy-5y^2=0 , is

The angle between lines represented by the equation 11x^2-24xy+4y^2=0 are

The angle between the lines represented by the equation (x^(2)+y^(2))sin theta+2xy=0 is

The angle between the lines represented by the equation (x^(2)+y^(2))sin theta+2xy=0 is

The angles between the lines represented by the equation 4x^(2)-24xy+11y^(2)=0 are

The angles between the lines represented by the equation 4x^(2)-24xy+11y^(2)=0 are

The acute angle between the lines represented by the equation 11y^(2)-24xy+4x^(2)=0 are

The acute angle between the lines represented by the equation 11y^(2)-24xy+4x^(2)=0 are