positive | | Half the difference between maximum and minimum. |

second | | Intercepted by a central angle in a circle. |

complex | | (pi)/2 radians in degrees. |

circle | | The reciprocal of the sine. |

sine | | One cycle of a trigonometric function. |

asymptote | | Terminal sides coincide. |

minute | | The reciprocal of the cosine. |

parabola | | Instrument for drawing circles. |

radian | | Two angles whose sum is 180 degrees. |

hexagon | | Angle from horizontal down to line of sight. |

elevation | | The reciprocal of the tangent. |

depression | | Graph of y = x^2. |

amplitude | | Two angles whose sum is 90 degrees. |

secant | | Name for the origin in polar graphing. |

arcsin | | Longest side in a right triangle. |

ninety | | A heart-shaped curve. |

line | | Angle from horizontal up to line of sight. |

complementary | | 1/60th of a minute. |

supplementary | | Number in the form "a bi". |

coterminal | | Secant is the __?__ of the cosecant. |

cosecant | | Instrument for measuring angles in degrees. |

rose | | Graph of x^2 y^2 = r^2. |

compass | | 1/360th revolution. |

identity | | 1/60th of a degree. |

frequency | | The ratio of the opposite leg to the hypotenuse. |

negative | | Sign of an angle with counter-clockwise rotation. |

protractor | | Line which is appoached by a graph. |

tangent | | Graph of y = mx b. |

cardioid | | The change in y over the change in x. |

oblique | | The set of possible input values for a function. |

hypotenuse | | The ratio of the adjacent leg to the hypotenuse. |

cofunction | | The set of output values for a function. |

arc | | The ratio of the opposite leg to the adjacent leg. |

period | | The inverse of the sine function. |

cosine | | Sign of an angle with clockwise rotation. |

pole | | A radial angle. |

range | | The reciprocal of the period. |

cotangent | | A non-right triangle. |

slope | | A six-sided polygon. |

domain | | Polar graph with "leaves". |

degree | | An equation that is true for all values in the domain. |