Symbols That Math Really Needs: Equal, I Hope
A proposed symbol :≂ meaning 'equal, I hope', for identities you're not sure about.
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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-equal-i-hope/ (CC BY-NC 4.0)Transcript
Symbol: :≂ (wavy-equals) Meaning: equal, I hope [board: tanθ + cotθ :≂ secθ cscθ] "I mean, they should really be equal…"