Definition:Cotangent

Also see

 * Equivalence of Definitions of Cotangent of Angle


 * Shape of Cotangent Function
 * Cotangent is Cosine divided by Sine
 * Cotangent is Reciprocal of Tangent
 * Cotangent of Complement equals Tangent


 * Definition:Sine
 * Definition:Cosine
 * Definition:Tangent Function
 * Definition:Secant Function
 * Definition:Cosecant