Spooky Math Story: It Was You
'I had the worst nightmare. On the board, a student wrote…' sin²θ + cos²θ = 1, so √(sin²θ+cos²θ) = √1, so sin θ + cos θ = 1. 'It was you…'
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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/2017-10-25-the-world-s-spookiest-math-stories--spooky-math-story-it-was-you/ (CC BY-NC 4.0)Transcript
'I had the worst nightmare. On the board, a student wrote…' sin²θ + cos²θ = 1, so √(sin²θ+cos²θ) = √1, so sin θ + cos θ = 1. 'It was you…'