The correct options are
A y=(m+tanϕ1−mtanϕ)x
D y=(m−tanϕ1+mtanϕ)x
Since, required line makes an angle of ϕ with y=mx+b
Let m=tanθ
Hence, the required line makes θ±ϕ angle with x− axis.
Now,
tan(θ±ϕ)=m±tanϕ1∓mtanϕ
So, equation of required line will be
y=(m±tanϕ1∓mtanϕ)x