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Home/Mathematics/Trigonometry/Law of Sines Calculator
Math CalculatorTrigonometry

Law of Sines Calculator

Apply the Law of Sines to solve any triangle. Find missing sides or angles given sufficient information.

Updated 2025-01-153 min readCalzyra Math Team

Calculator

Enter your values below

CalculatorFree Tool

Length of side a.

Angle opposite side a in degrees.

Length of side b (if known).

Angle B in degrees (if known).

Formula & Methodology

How this calculator works

a / sin(A) = b / sin(B) = c / sin(C)

The Law of Sines states that the ratio of a side length to the sine of its opposite angle is constant for all three sides and angles of a triangle.

Frequently Asked Questions

Common questions about this calculator

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