Tattoos on Math

The video discusses a friend's math tattoo, which represents the cosecant function, and explores the geometric and historical significance of trigonometric functions like sine, cosine, and tangent. It questions the necessity of naming functions like cosecant and cotangent, given their limited practical use today, and highlights the importance of understanding core mathematical concepts versus those that are artificially constructed.

What new insight or understanding did you gain from this video?