# Law of sines calc:

Input interpretation |
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law of sines |

Alternate names |

sine law | sines law |

Basic definition |

For general triangles, a formula relating the ratios of sines of angles to the opposite side lengths. |

Detailed definition |

Let a, b, and c be the lengths of the legs of a triangle opposite angles A, B, and C. Then the law of sines states that a/(sinA) = b/(sinB) = c/(sinC) = 2R, where R is the radius of the circumcircle. |

Related topics |

generalized law of sines | law of cosines | law of tangents |

Educational grade level |

high school level (California trigonometry standard) |