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· Integrals of Trigonometric Functions
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· Law of sines

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Current Location > Math Formulas > Trigonometry > Law of sines

Law of sines

For an arbitrary triangle ΔABC the law of sines states:

a / sinA = b / sinB = c / sinC = 2 ∙ R

where R denotes the radius of the triangle's circumcircle.