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Creating Tangent Help Lines

Create a tangent help line to any point on a circle or arc.

\htang

You can choose from the following tangent help line commands:

Creating a tangent help line (\tanarc)–new subcommand

Creating a tangent help line to a circle through a point(\tanpa)

Creating a tangent help line between two circles (\tanaa)

A description of each component of the combined command follows.