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.