• Math
• mathematics
• three blue one brown
• 3b1b
• 3 blue 1 brown
• tattoo
• trigonometry
• cosecant

One month free audible trial: www.audibletrial.com/3blue1brown

After a friend of mine got a tattoo with a representation of the cosecant function, it got me thinking about how there's another sense in which this function is a tattoo on math, so to speak.