Part 1: How to plot 2d graphs using Julia

Code: using Plots, OhMyREPL, Symbolics @variables x; f(x) = 2*x^3; g(x) = 2*x^2 t = -5:5; plot(t, f) plot(t,[f,g]) plot(t, sin(x)) plot(t,cos(x)) savefig("cos(x).png") png("cosx") #julia #plots #mathematics