Below you can find the full step by step solution for you problem. We hope it will be very helpful for you and it will help you to understand the solving process.
If it's not what You are looking for, type in into the box below your own function and let us find the graph of it.
The graph of 3cos(2x) represents a graph of a trigonometric function.
On the given graph you can also find all of the important points for function 3cos(2x) (if they exist).
See similar equations:
| Graph of x-3y=6 |
| Graph of y=|x^2-3| |
| Graph of y=x^2-3 |