Draw a function image：

y=x2+logx

Draw a function image：

y=arctan(122.24/(1600-1222.4*cos(x-0.381646)))
y=arctan(127.5/(1600-1275*cos(x-0.381646)))
y=arctan(133.24/(1600-1332.4*cos(x-0.381646)))

Draw a function image：

y=(5.182-2cosx)(0.05cosx+sinx)

Draw a function image：

y=x^2+1;xsinx

Draw a function image：

y=ln(x-1)÷x