There are two methods of proceeding in the application of projections; either we project the triangle into another given one, and find what ... Suppose now we have any conic given, and assume that it is projected into a circle; then we have the equations (a) of Art. 5, from which to ... of any point in one of the faces of the tetrahedron of reference, are the same as its triangular coordinates referred to that face.

Title | : | The Oxford, Cambridge, and Dublin Messenger of Mathematics |

Author | : | |

Publisher | : | - 1862 |

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