## An Elementary Treatise on Trilinear Co-ordinates: The Method of Reciprocal Polars, and the Theory of Projections |

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An Elementary Treatise on Trilinear Co-Ordinates: The Method of Reciprocal ... N. M. 1829-1903 Ferrers No preview available - 2016 |

### Common terms and phrases

aa+bB+cy angular points anharmonic ratio asymptotes auxiliary conic b₁ C₁ centre Chap chord coefficients common tangents condition of tangency conic section Crown 8vo determine directrix distance escribed circles Fcap find the equation fixed point fixed straight line focus four points given conic given point given straight lines harmonic pencil Hence imaginary internal bisectors investigated Let the equation line at infinity line joining locus meets the conic nine-point circle obtain opposite sides pair parabola Pascal's Theorem perpendicular point f point of intersection points at infinity points of contact polar reciprocal prove radical axis reciprocal curve reciprocated with respect rectangular hyperbola represented right angles second degree subtends tangents drawn theorem three points three straight lines triangle of reference ua² V'ca values Vb² vß² W'ab whence wy² λα

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