Definition:Tangent Function

Linguistic Note
The word tangent comes from the Latin tangentus that which is touching, the present participle of tangere to touch.

It is pronounced with a soft g: tan-jent'.

Also see

 * Definition:Sine
 * Definition:Cosine
 * Definition:Cotangent
 * Definition:Secant
 * Definition:Cosecant


 * Definition:Hyperbolic Tangent


 * Shape of Tangent Function
 * Tangent is Sine divided by Cosine