# Cosine Calculator

## Calculate the cosine of a number

The calculator will find the cosine of the given value in radians or degrees.

The domain of the cosine is $$$x\in \mathbb{R}$$$, the range is $$$[-1,1]$$$.

It is an even function.

Related calculator: Inverse Cosine Calculator

### Your Input

**Find $$$\cos{\left(\frac{\pi}{6} \right)}$$$.**

### Answer

**$$$\cos{\left(\frac{\pi}{6} \right)} = \cos{\left(30^{\circ} \right)} = \frac{\sqrt{3}}{2}\approx 0.866025403784439$$$A**

**For graph, see the graphing calculator.**