Equation of pair of line, in which each line makes angle `alpha` with line `y =x` is :

The equation of the pair of straight lines, each of which makes an angle alpha with the line y=x is

The equation of the pair of straight lines, each of which makes an angle alpha with the line y=x is

If x^(2)+2hxy+y^(2)=0 represents the equation of pair of straight lines through origin and which makes an angle alpha with the line x+y=0 then h =

Find the equation of the straight line through the origin making angle alpha with the line y=mx+b .

The equation of straight line passing through the origin and making an angle alpha with the straight line x+y=0 is

Prove that the equations to the straight lines through the origin each of which makes an angle alpha with the straight line y=x is x^(2)-2xysec2alpha+y^(2)=0 .

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

Joint equation of two lines through the origin each making angle of 30^(@) with line x+y=0 , is