Media 3

<svg id="grid-demo-full" data-range-x="-3*pi, 3*pi" data-range-y="-4, 4"
  data-step-x="pi/2" data-step-y="1"
  data-funcs="sin(x); cos(x); (1/3)*x; tan(x)"
  data-labels="y=sin(x); y=cos(x); y=x/3; y=tan(x)"
  data-colors="#1976d2; #e53935; #43a047; #6d4c41" data-legend="true"
  data-clip="true" data-mode="interactive"
  data-points="(0,0); (pi,0); (2*pi,0); (-pi/2, -1)"
  data-point-x="pi/3; sin(x); pi; cos(x); e; (x^2 - 2*x + 1)"
  data-point-y="0; (x^3 - 3*x); 1; sin(x) ">
</svg>