Calculatorism

Cosine Calculator

Compute cos(θ) for an angle in degrees or radians.

Input Data

Angle
Unit

Results

Cosine of the angle.
0.5
Explanatory note about the result.
cos(60°) = 0.5。

At a glance:cos(θ) is the x-coordinate on the unit circle. Complements sine and tangent.

Formula

cos(θ) = adjacent / hypotenuse.

How to Use

  1. Enter an angle and unit.
  2. The tool returns cos(θ).

Case Studies

cos(60°)

cos(60°) = 0.5.

FAQ

Range of cosine?

Between −1 and 1 for real angles.

Related Tools

References

Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Cosine Calculator（/math/cosine）。