tanx^2, tanx^3, tanx^4 graph | What are the graphs of tan over 2, 3 and 4?

Below you can find the graphic drawings of 2 over tanx, 3 over tanx and 4 over tanx. We wish everyone a good work...

$(tan(x))^2$ graph:

$(tan(x))^3$ graph:

$(tan(x))^4$ graph: