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Law of sines

a/sin(A) = b/sin(B)—enter angle A, side a, and angle B to solve for b.

Client
10.000000

Nearby workflows on Toolcore

  • Law of cosines — Find side c from sides a, b and included angle C (degrees). when units or numeric output should be checked on a related calculator.
  • Trigonometry calculator (degrees) — sin, cos, and tan of an angle in degrees—local double-precision trig. when units or numeric output should be checked on a related calculator.
  • Heron triangle area — Triangle area from three side lengths via Heron's formula. when units or numeric output should be checked on a related calculator.
  • Math expression evaluator — Evaluate basic + − × ÷ arithmetic with parentheses in your browser—no variables. when units or numeric output should be checked on a related calculator.

Common use cases

  • Law of sines — missing side for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Open the page directly—multi-field inputs are not URL-prefilled.

More tools

Related utilities you can open in another tab—mostly client-side.