Atsiliepimai

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Aprašymas

I Great and Small Circles

II Spherical Triangles

III Spherical Geometry

IV Relations between the Trigonometrical Functions of the Sides

and the Angles of a Spherical Triangle

V Solution of Right-angled Triangles

VI Solution of Oblique-Angled Triangles

VII Circumscribed and Inscribed Circles

VIII Area of a Spherical Triangle. Spherical Excess

IX On certain approximate Formulæ

X Geodetical Operations

XI On small variations in the parts of a Spherical Triangle

XII On the connexion of Formulæ in Plane and Spherical Trigonometry.

XIII Polyhedrons

XIV Arcs drawn to fixed points on the Surface of a Sphere

XV Miscellaneous Propositions

XVI Numerical Solution of Spherical Triangles