Adjacent: adjacent (next to) the angle θ

Opposite: opposite the angle θ

Hypotenuse: longest side (and opposite the right angle)

Opposite: opposite the angle θ

Hypotenuse: longest side (and opposite the right angle)

Given | Value |

Hypotenuse | |

Theta (in degrees) | |

Use | x = r * cos(θ) y*y = r*r - x*x |

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Given | Value |

Adjacent | |

Theta (in degrees) | |

Use | r = x/cos(θ) y*y = r*r - x*x |

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Given | Value |

Opposite | |

Theta (in degrees) | |

Use | r = y/sin(θ) x*x = r*r - y*y |

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Given | Value |

Adjacent | |

Hypotenuse | |

Use | θ = arccos(x/r) y*y = r*r - x*x |

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Given | Value |

Opposite | |

Hypotenuse | |

Use | θ = arcsin(y/r) x*x = r*r - y*y |

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Given | Value |

Opposite | |

Adjacent | |

Use | θ = arctan(y/x) r*r = x*x + y*y |

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