Description | Equation |
---|---|

Area of Arbitrary Triangle | |

Law of Cosines | |

Law of Sines | |

Cosecant Definition for a Right Triangle | |

Cosine Definition for a Right Triangle | |

Cotangent Definition for a Right Triangle | |

Secant Definition for a Right Triangle | |

Sine Definition for a Right Triangle | |

Tangent Definition for a Right Triangle | |

Double Angle Identity - Cosine |