OneFreePlace
FREE ONLINE TOOL

Free Trigonometry
Calculator

Free trigonometry calculator with six trig functions, inverses, unit circle, exact common angles, function graphing, identities and triangle solving.

Open this tool in its own window ↗

FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free Trigonometry Calculator

Evaluate all six trig functions and inverses, recognize exact common-angle values, explore the unit circle, graph transformed trig functions, solve general triangles, and keep essential identities beside the calculation.

Workspace options

  • Angle / value
  • Unit
  • Function sincostan
  • Side a
  • Side b
  • Side c

Available actions

  • ☾ Dark
  • Reset
  • Evaluate angle
  • 30°
  • 45°
  • 60°