Math-Stache: Cos-'Stache
A wavy cosine-curve mustache.
Use this cartoon
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/2017-07-12-math-staches--math-stache-cos-stache/ (CC BY-NC 4.0)Transcript
Cos-'Stache