# ΠΠ°ΡΠ΅Π³ΠΎΡΠΈΡ noun.linkdef

Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ | ΡΠΈΠ½ΠΎΠ½ΠΈΠΌΡ | |
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a function of a topological space that gives, for any two points in the space, a value equal to the distance between them | metric; metric function; | |

(mathematics) a function that changes the position or direction of the axes of a coordinate system | transformation; | |

(mathematics) a transformation in which the direction of one axis is reversed | reflection; | |

(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin | rotation; | |

(mathematics) a transformation in which the origin of the coordinate system is moved to another position but the direction of each axis remains the same | translation; | |

(mathematics) a transformation that is a combination of single transformations such as translation or rotation or reflection on an axis | affine transformation; | |

a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points | isometry; | |

(mathematics) a symbol or function representing a mathematical operation | operator; | |

an operator that obeys the distributive law: A(f+g) = Af + Ag (where f and g are functions) | linear operator; | |

an operator that leaves unchanged the element on which it operates | identity; identity element; identity operator; | |

function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle | circular function; trigonometric function; | |

the conjunctive relation of units that expresses the opposition of their meanings | adversative conjunction; | |

ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle | sin; sine; | |

the inverse function of the sine; the angle that has a sine equal to a given number | arc sine; arcsin; arcsine; inverse sine; | |

ratio of the adjacent side to the hypotenuse of a right-angled triangle | cos; cosine; | |

the inverse function of the cosine; the angle that has a cosine equal to a given number | arc cosine; arccos; arccosine; inverse cosine; | |

ratio of the opposite to the adjacent side of a right-angled triangle | tan; tangent; | |

the inverse function of the tangent; the angle that has a tangent equal to a given number | arc tangent; arctan; arctangent; inverse tangent; | |

ratio of the adjacent to the opposite side of a right-angled triangle | cotan; cotangent; | |

the inverse function of the cotangent; the angle that has a cotangent equal to a given number | arc cotangent; arccotangent; inverse cotangent; | |