This text presents plane and spherical trigonometry with a strong focus on solving triangles and applying trigonometry to practical questions. It emphasizes understanding the meaning and use of trig concepts over pure theory, so you can see how formulas work in real problems from the start.

This edition builds a solid foundation by starting with geometric methods, then moving through right and oblique triangles, and finishing with logarithmic methods and table use. It includes a large set of exercises and many illustrations to help you think through problems step by step. The book also highlights ready-to-use tables and a complete table collection to aid quick, accurate computation with standard tools of the era.
What you’ll experience

A guided path from fundamentals to complete triangle solutions, with minimal theoretical detours.
Lots of exercises designed to train problem-solving speed and accuracy.
Emphasis on using complete, handily arranged tables and four‑place tables for computation.
Practical connections to rotation, forces, and other applied topics through concrete problems.

Ideal for readers seeking a practical, problem-based introduction to trigonometry, with a clear route to applying the math in real-world settings.

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

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