# Cos13

Input |
---|

cos(13°) |

Decimal approximation |

0.974370064785235228539694480088268833005120988944567944597… |

Reference triangle for angle 13° |

width | cos(13 °)~~0.97437 height | sin(13 °)~~0.224951 |

Alternate form |

cos((13 pi)/180) |

Continued fraction |

[0; 1, 38, 59, 3, 1, 9, 7, 34, 3, 27, 11, 1, 5, 1, 14, 2, 1, 5, 1, 2, 14, 7, 1, 1, 1, 1, 4, 3, …] |