The angle between the straight lines given by the joint equation `x^2+4xy+y^2+2x+4y+1`=0

Find the angle between the circles given by the equations. x^2 + y^2 - 12x - 6y + 41 = 0, x^2 + y^2 + 4x + 6y - 59 = 0.

Find the angle between the circles given by the equations. x^2 + y^2 + 6x - 10y - 135 = 0, x^2 + y^2 - 4x+14y - 116 = 0

If theta is the angle between the lines given by the equation 6x^2+5x y-4y^2+7x+13 y-3=0 , then find the equation of the line passing through the point of intersection of these lines and making an angle theta with the positive x-axis.

If theta is the angle between the lines given by the equation 6x^2+5x y-4y^2+7x+13 y-3=0 , then find the equation of the line passing through the point of intersection of these lines and making an angle theta with the positive x-axis.

Find the angle between the lines whose joint equation is 2x^2-3xy+y^2=0

The angle between the straight lines 2x-y+3=0 and x+2y+3=0 is-

The angle between the straight lines x^(2)-y^(2)-2x-1=0 , is

Find the angle between the straight lines joining the origin to the point of intersection of x^2+2x y+3y^2+4x+8y-11=0 and 3x-y=-2

Find the angle between the straight lines joining the origin to the point of intersection of 3x^2+5x y-3y^2+2x+3y=0 and 3x-2y=1

Find the angle between the straight lines joining the origin to the point of intersection of 3x^2+5x y-3y^2+2x+3y=0 and 3x-2y=1