Made-Up Trig Functions: Partialcreditsine
sin(θ) with an inexplicable error in the third decimal place.
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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/2015-01-01-made-up-trig-functions--partialcreditsine/ (CC BY-NC 4.0)Transcript
"partialcreditsine(θ) = sin(θ) with an inexplicable error introduced in the third decimal place" "Why do I keep using this?"