{ "item_title" : "Spherical Trigonometry", "item_author" : [" I Todhunter "], "item_description" : "I Great and Small CirclesII Spherical TrianglesIII Spherical GeometryIV Relations between the Trigonometrical Functions of the Sidesand the Angles of a Spherical TriangleV Solution of Right-angled TrianglesVI Solution of Oblique-Angled TrianglesVII Circumscribed and Inscribed CirclesVIII Area of a Spherical Triangle. Spherical ExcessIX On certain approximate Formul X Geodetical OperationsXI On small variations in the parts of a Spherical TriangleXII On the connexion of Formulin Plane and Spherical Trigonometry.XIII PolyhedronsXIV Arcs drawn to fixed points on the Surface of a SphereXV Miscellaneous PropositionsXVI Numerical Solution of Spherical Triangles", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/39/397/164/9393971641_b.jpg", "price_data" : { "retail_price" : "9.95", "online_price" : "9.95", "our_price" : "9.95", "club_price" : "9.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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