Calculatorism

Trigonometry Calculator

Compute sin, cos, tan (and inverses) for an angle, in degrees or radians.

Input Data

X

Results

sin/cos/tan and inverses.
0.5
Explanatory note about the result.
sin(30°) = 0.5

At a glance:Evaluates sin, cos, tan and inverses; identities sin²+cos²=1, tan=sin/cos. Complements sine, cosine and tangent.

Formula

sin²θ + cos²θ = 1.

tanθ = sinθ/cosθ.

How to Use

  1. Enter an angle and unit.
  2. The tool returns the trig values.

Case Studies

30°

sin=0.5, cos≈0.866, tan≈0.577.

FAQ

Degrees vs radians?

Internally uses radians; convert at input.

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:Trigonometry Calculator(/math/trigonometry)。