To accurately graph the function f(x) = sin²(x), users can utilize online graphing tools like Rechneronline to visualize it. The discussion emphasizes the importance of understanding the function's properties, including domain, range, symmetry, and intercepts. Users are encouraged to identify these characteristics from the graph, which can be observed visually. The conversation highlights a need for guidance on defining and finding these properties. Understanding these aspects is crucial for a comprehensive grasp of the function's behavior.