How do you graph y = -cos2x?

Solution:

A function is a process or a relation that associates each element 'a' of a non-empty set A , at least to a single element 'b' of another non-empty set B.

A relation f from a set A (the domain of the function) to another set B (the co-domain of the function) is called a function in math. f = {(a,b)| for all a ∈ A, b ∈ B}

Given function y = -cos2x

Take a few sample values of x such as -1, 0, 1, 2, 3.

And plot the graph at the XY axis.

Hence, the graph for the equation y= -cos2x is plotted

How do you graph y = -cos2x?

Summary:

The graph for the equation y= -cos2x is plotted.