The Mathematician, Tom 1G. Bell, 1845 |
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a₁ algebraical angles angular points anharmonic ratios axes axis B₁ bisecting C₁ centre chord circumscribing circumscribing circle co-ordinates coefficients conic section conical surface conjugate cos² cosec cot r₂ cotr curve d₁ deduced denote Desargues diameter drawn ellipse equal equation expression fixed point Geometry given circles given lines given points hence hyperbola indeterminate inscribed involution involution system joining M₁ Mathematician method multiply obtain p₁ p₂ parabola parallel pass perpendicular plane points of contact points of intersection polar pole porism quadrilateral quantities r₁ r₂+cot radical axis radii radius respectively result roots Scholium second degree second order sides Similarly sin² sinAC sinAD solution SOLUTION.-Mr sphere straight line substituting surface tangent theorem Thomas Dobson touch values variable Whence x₁ y₁ πα
Popularne fragmenty
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Strona 108 - ... recondite mode of treating it, was the professed passport for its admission. " That paper has been reprinted in the Ladies' Diary for 1838 ; and most of our readers are doubtless acquainted with it. That the mode in which it is drawn up is in one respect fortunate, there can be no doubt, since that finally secured its publication ; whilst on the other hand, it may be considered unfortunate by its requiring so much higher mathematical learning to understand the reasoning than the nature of :ie...
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