Chess Battle Desmos (800x800 grid)

y=
cool equations: 
rnd()*800-400
sin(x)*x
tan(x)*x
200/tan(x)
tan(x*pi)*x
sin(800/x)*tan(x*pi)*x
100*(sin(x)*sqrt(5-x*x/2e4)+sqrt(abs(x/100))-.5)
do you have more? message me on discord (@voytxt) and i may add them lol