# Cosine Calculator

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

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please write it in the comments below.

Find $\cos{\left(\frac{\pi}{6} \right)}$.
$\cos{\left(\frac{\pi}{6} \right)} = \cos{\left(30^0 \right)} = \frac{\sqrt{3}}{2}\approx 0.866025403784439$A