Title: The Elements of Spherical Trigonometry, for the Use of Schools, Etc (Classic Reprint)
Publisher: Forgotten Books
Publication Date: 2018
Language: English
ISBN 10: 1331952948
ISBN 13: 9781331952947
Binding: PAP
Condition: New
Weight: 209 grams

About this title

Synopsis

Master the principles of spherical trigonometry with clear explanations and practical problems.

The work introduces the basic ideas of spherical triangles, the polar or supplemental triangle, and how spherical relationships connect to solid angles and polyhedrons. It emphasizes step-by-step methods you can apply to compute angles and sides, even when numbers are large or awkward.

You'll find foundational formulas, guided derivations, and worked examples that build toward more complex topics, including numerical solutions and the geometry of polyhedrons. The approach balances theory with tangible applications to three-dimensional geometry.

Foundational cosines and sines relations for spherical triangles, including the key equation cos a = cos b cos c + sin b sin c cos A.

Illustrations of the polar triangle and how its angles and sides relate to the original triangle.

Strategies for solving right-angled and quadrantal cases, with guidance on when to use supplements.

Connections between spherical geometry and polyhedrons, including how solid angles relate to surface area and edge counts.

Ideal for readers starting in geometry or trigonometry, or anyone needing a solid foundation in spherical methods.

"About this title" may belong to another edition of this title.

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