Calculatorism

Tangent Calculator

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

Input Data

Angle
Unit

Results

Tangent of the angle.
1
Explanatory note about the result.
tan(45°) = 1。

At a glance:tan(θ) = sin(θ)/cos(θ); undefined where cos(θ)=0. Complements sine and cosine.

Formula

tan(θ) = sin(θ)/cos(θ) = opposite/adjacent.

How to Use

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

Case Studies

tan(45°)

1.

FAQ

Undefined where?

At 90°+180°k, where cos=0.

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:Tangent Calculator（/math/tangent）。