Symbols That Math Really Needs: This Notation Is Awful
A symbol meaning 'yes, this notation is awful, but my hands are tied', applied to sin²(x).
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2016-04-27-symbols-that-math-really-needs--symbols-that-math-really-needs-this-notation-is-awful/ (CC BY-NC 4.0)Transcript
Symbol: —√⁚√— Meaning: yes, I know this notation is awful, but it's so ubiquitous and accepted that at this point my hands are tied [board: sin²(x) ≠ sin(sin(x))]