8: Tangent and Normal Vectors - Valuable Vector Calculus

9: Surfaces and Contour Plots - Valuable Vector Calculus

Introduction to unit tangent, unit normal, and unit binormal vectors (Calculus 3 basics)

Divergence and curl: The language of Maxwell's equations, fluid flow, and more

Torsion: How curves twist in space, and the TNB or Frenet Frame

23: Scalar and Vector Field Surface Integrals - Valuable Vector Calculus

Calculus II: Unit Tangent, Unit normal and Binormal vectors

CALCULUS 3 | Torsion of a Space Curve: Normal and Binormal Vectors and Torsion

The Fundamental Theorem of Gradients | Multivariable Calculus

Calculus 3: Lecture 12.4 Tangent Vectors and Normal Vectors

Calculus 3 - Intro To Vectors