# Category:Definitions/Cosine Function

This category contains definitions related to Cosine Function.
Related results can be found in Category:Cosine Function.

In the above right triangle, we are concerned about the angle $\theta$.

The cosine of $\angle \theta$ is defined as being $\dfrac {\text{Adjacent}} {\text{Hypotenuse}}$.

## Also see

Category:Definitions/Sine Function
Category:Definitions/Tangent Function
Category:Definitions/Cotangent Function
Category:Definitions/Secant Function
Category:Definitions/Cosecant Function

## Pages in category "Definitions/Cosine Function"

The following 15 pages are in this category, out of 15 total.