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Calculators :: Plane Geometry :: Sine and Cosine Law Calculator

This calculator uses the Law of Sines and the Law of Cosines to solve oblique triangle i.e. to find missing angles and sides if you know any 3 of the sides or angles. Also, the calculator will show you a detailed explanation.

Sine and Cosine Law Calculator

To solve oblique triangle input three values you know and a value you want to find. You can enter either integers (10), decimal numbers(10.12) or FRACTIONS(10/3).

Enter known values:
side a =
side b =
side c =
angle α =
angle β =
angle γ =

triangle
Select value to find:
side a
side b
side c
angle α
angle β
angle γ
area A
Show me an explanation.

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