A Treatise on Spherical Trigonometry: And Its Application to Geodesy and Astronomy, with Numerous Examples

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Hodges, Figgis, & Company, 1889 - Geometry - 165 pages

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Page 10 - Any two sides of a spherical triangle are together greater than the third side.
Page ii - Fcp. 8vo., 3r. 6d. A TREATISE ON THE ANALYTICAL GEOMETRY OF THE POINT, LINE, CIRCLE AND CONIC SECTIONS. Containing an Account of its most recent Extension. Crown 8vo., 12s.
Page 24 - That is, the sines of the sides of a spherical triangle are proportional to the sines of the opposite angles.
Page 23 - The lines joining the vertices of a triangle to the middle points of the opposite sides are called its medians.
Page 13 - A system of coordinates defining a point on a sphere or spheroid by its angular distances from a primary great circle and from a reference secondary great circle, as latitude and longitude. See celestial coordinates.
Page 1 - A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains fixed.

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