Joint equation of lines, through the origin, making an equalateral triangle with line `y=2` is

Joint equation of lines, through the origin, making an equilateral triangle with line x=1 is

Find the joint equation of the pair of lines through the origin and making an equilateral triangle with the line x = 3.

The equation to the pair of lines through the origin and forming an equilateral triangle with the line 4x – 3y + 1 = 0 is

Joint equation of two lines through the origin, each making angle of 45^(@) with line 3x-y=0 is

Combined equation of the two lines passing through the origin, forming an equilateral triangle with the line x+y+sqrt(3)=0 is