Tangent (disambiguation)

Tangent may refer to:

In mathematics:

* Tangent, in geometry, the straight line with the same direction as a curve at a given point, or analogous concepts for surfaces and higher-dimensional smooth manifolds, such as the tangent space
* One of the six basic trigonometric functions

In music:
* Tangent (clavichord), a part of the action of the clavichord that both initates and sustains a tone, and helps determine pitch
* Tangent (tangent piano), a part of the action of the tangent piano that only initiates the sound by striking the string(s) and rebounding immediately in the manner of a piano
* The Tangent, an international progressive rock supergroup
* "", a compilation album from The Tea Party released in 2000.
*"", a compilation box set from Tangerine Dream released in 1994.

In entertainment:
* Tangent Comics, a short-lived imprint of DC Comics
* The Tangent Universe, the alternate universe in time travel in the cult film "Donnie Darko"
* Tangent (Stargate SG-1), an episode of the television series "Stargate SG-1"
* Alternate name for the 1994 film "Time Chasers".

Other uses:
* Tangent, Oregon, a city in Linn County, Oregon, United States
*Tangent (straight), a straight section of a railroad or road