How do you draw the graph of modulus of y equals cot x?

Answer 1

First note that this not the graph of y = |cot(x)|.

The equivalent equations for |y| = cot(x) or cot(x) = |y| are

cot(x) = -y or cot(x) = +y

So plot y = cot x and then reflect all the points in the x-axis.