Trigonometry

Law of Sines Calculator

Lets users solve and check law of sines instantly with formula, steps and examples — no manual math.

Enter your details

°
1179
°
1179
Your result
Side b
8.5732

b = a·sinB / sinA = 8.5732.

Common ratio a/sinA
9.8995

About this calculator

Law of sines: a/sinA = b/sinB = c/sinC. Given one side, its opposite angle, and another angle, it finds the corresponding side.

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