Uni-Sine

Trigonometry Calculator

Mathematics calculator

Trigonometry Calculator

Type any three values, including a side, and it solves the triangle. Or drag one into shape and watch its sides and angles update.

What you can do

  • Solve any triangle from three values: SSS, SAS, ASA, AAS, and SSA with both possible triangles
  • Right-angled triangles with SOH CAH TOA and Pythagoras
  • Any triangle with the sine rule and the cosine rule
  • The unit circle, with sin, cos and tan for any angle
  • Which rule each solve used, and step-by-step working on practice problems
  • Practice problems to test yourself