The combined equation of the lines which passing through the origin and each of which makes an angle of `30^(@)` with the line `2x-y=0` is

Options

A. 1) `y (cos alpha + sin alpha) +x (cos alpha -sin alpha) =a`
B. 2) `y(cos alpha + sin alpha )- x (sin alpha - cos alpha)=a`
C. 3) `y(cos alpha + sin alpha)+ x (sin alpha - cos alpha )=a`
D. 4) `y(cos alpha + sin alpha ) + x (sin alpha + cos alpha )=a`

Answer

A