We can find infinetly many points on this graph. For example

x=0 => tan0=0

**(0,0)**

x=Pi/6 => tan (Pi/6)=`sqrt(3)/3~~0.58`

**(0.52,0.58)**

x=Pi/4~0.785 => tan (Pi/4)=1

**(0.785,1)**

x=Pi/3 => tan(Pi/3)=`sqrt(3)~~1.73`

**(1.046,1.73)**

We can find infinetly many points on this graph. For example

x=0 => tan0=0

**(0,0)**

x=Pi/6 => tan (Pi/6)=`sqrt(3)/3~~0.58`

**(0.52,0.58)**

x=Pi/4~0.785 => tan (Pi/4)=1

**(0.785,1)**

x=Pi/3 => tan(Pi/3)=`sqrt(3)~~1.73`

**(1.046,1.73)**