# Cot(3pi/4)

Input |
---|

cot(3×pi/4) |

Result |

-1 |

Conversion from radians to degrees |

cot(135 °) |

Reference triangle for angle (3 π)/4 radians |

width | cos((3 pi)/4) = -1/sqrt(2)~~-0.707107 height | sin((3 pi)/4) = 1/sqrt(2)~~0.707107 |

Integral representation |

cot((3 pi)/4) = – integral_(pi/2)^((3 pi)/4) csc^2(t) dt |