# Cot 210

Input |
---|

cot(210°) |

Exact result |

sqrt(3) |

Decimal approximation |

1.732050807568877293527446341505872366942805253810380628055… |

Reference triangle for angle 210° |

width | cos(210 °) = -sqrt(3)/2~~-0.866025 height | sin(210 °) = -1/2 = -0.5 |

Continued fraction |

[1; 1, 2^_] |