Wolfram Research
Wolfram Math World: Normal Vector
At this site from Math World you can find out various normal vector formulas, including normal vectors of planes, surfaces, tangent vectors, and three dimensional surfaces. This site also explains how the unit normal vector is derived.
![Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 1 [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 1 [Pdf] Unknown Type")
Math Graphs
Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 1 [Pdf]
Learners sketch the unit tangent and normal vectors at the given points. The exercise consists of an enlarged printable version of a graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 2 [Pdf]
Learners sketch the unit tangent and normal vectors at the given points. The exercise consists of an enlarged printable version of a graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 3 [Pdf]
The practice problem examines the unit tangent and normal vectors. The exercise consists of an enlarged printable version of a graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 4 [Pdf]
The practice problem examines the unit tangent and normal vectors. The exercise consists of an enlarged printable version of a graph available in PDF format.