Category:Definitions/Unit Normals

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This category contains definitions related to Unit Normals.
Related results can be found in Category:Unit Normals.

Let $S$ be a surface in ordinary $3$-space.

Let $P$ be a point of $S$.

Let $\mathbf n$ be a normal to $S$ at $P$ such that $\mathbf n$ is a unit vector.

Then $\mathbf n$ is known as a unit normal.