Geometrical Conics Including Anharmonic Ratio and Projection: With Numerous ExamplesMacmillan, 1863 - 222 σελίδες |
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Αποτελέσματα 1 - 5 από τα 72.
Σελίδα 3
... centre S , radius SP , such that SP : NX = SA : AX describe a circle cutting in P , P ' , the straight line M M A S N drawn through N parallel to the directrix . Let PM , P'M ' be the perpendiculars from P , P ' on the directrix . Then ...
... centre S , radius SP , such that SP : NX = SA : AX describe a circle cutting in P , P ' , the straight line M M A S N drawn through N parallel to the directrix . Let PM , P'M ' be the perpendiculars from P , P ' on the directrix . Then ...
Σελίδα 8
... draw tangents to a conic from an external point T. Let N be the foot of the perpendicular from T on the directrix with centre S , radius SL , such that SL : TN - SA : AX describe a circle . Draw TL touching the circle , 8 CONICS .
... draw tangents to a conic from an external point T. Let N be the foot of the perpendicular from T on the directrix with centre S , radius SL , such that SL : TN - SA : AX describe a circle . Draw TL touching the circle , 8 CONICS .
Σελίδα 14
... centre of the circle . [ Euc . vi . , A. [ Euc . I. , 5 . Hence MC is parallel to SP , and since it bisects SQ it also passes through O , the middle point of PQ . [ Euc . VI . , 2 . Let MO meet the circle in N. Then the angle CSM is ...
... centre of the circle . [ Euc . vi . , A. [ Euc . I. , 5 . Hence MC is parallel to SP , and since it bisects SQ it also passes through O , the middle point of PQ . [ Euc . VI . , 2 . Let MO meet the circle in N. Then the angle CSM is ...
Σελίδα 17
... C is bisected at that point , and hence that all diameters pass through C , a diameter being defined as the straight line which bisects a system of parallel chords . C The point C is termed the centre , and conics CONICS . 17 Diameters.
... C is bisected at that point , and hence that all diameters pass through C , a diameter being defined as the straight line which bisects a system of parallel chords . C The point C is termed the centre , and conics CONICS . 17 Diameters.
Σελίδα 18
With Numerous Examples Charles Taylor. The point C is termed the centre , and conics which have a centre are called central conics . II . Tangents drawn to a central conic from a point on either of the axes CX , CO , are equal and ...
With Numerous Examples Charles Taylor. The point C is termed the centre , and conics which have a centre are called central conics . II . Tangents drawn to a central conic from a point on either of the axes CX , CO , are equal and ...
Άλλες εκδόσεις - Προβολή όλων
Geometrical Conics: Including Anharmonic Ratio and Projection, with numerous ... Charles Taylor Περιορισμένη προεπισκόπηση - 2022 |
Geometrical Conics: Including Anharmonic Ratio and Projection, with numerous ... Charles Taylor Περιορισμένη προεπισκόπηση - 2022 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD abscissa Alternando asymptotes auxiliary circle axis in G bisects the angle CA² Cambridge CB² CD² centre chord of contact chord of curvature chord PQ chords parallel cone Conic Sections conjugate diameters conjugate hyperbola constant ratio corresponding CP² Crown 8vo Draw drawn parallel ellipse equally inclined fixed point fixed straight line focal chord foci focus harmonic Hence inscribed latus rectum Lemma Let the tangent locus major axis meet the axis meet the directrix meet the minor meets the curve middle point minor axis opposite sides ordinate parabola parallel chords parallelogram pass pencil perpendicular plane point of intersection point Q points of contact polar produced projection Prop prove quadrilateral rectangular hyperbola right angles semi-diameter semi-latus rectum similar triangles Similarly straight line drawn touches vertex
Δημοφιλή αποσπάσματα
Σελίδα 226 - HODGSON -MYTHOLOGY FOR LATIN VERSIFICATION. A brief Sketch of the Fables of the Ancients, prepared to be rendered into Latin Verse for Schools.