Plane Trigonometry (Classic Reprint) - Softcover

Webster Wells

Softcover

ISBN 10: 133308076X ISBN 13: 9781333080761

Publisher: Forgotten Books, 2018

Synopsis

Plane Trigonometry: A clear, practical introduction to the geometry of angles
This edition presents Webster Wells’s classic text from the Wells' Mathematical Series. It introduces plane trigonometry for students, with a focus on definitions, measurement of angles, and the fundamental trigonometric functions. The book emphasizes the circular method of angle measurement and shows how to convert between circular measure and degrees.

Two opening sections explain how angles are defined and measured, including degrees, minutes, seconds, and circular measure. Early chapters lay out the sine, cosine, tangent, and other ratios from right triangles, then expand to general properties, formulas, and the solution of right and oblique triangles. The work blends geometric reasoning with algebraic tools, and it presents numerous examples and solved problems.

What you’ll experience in this edition:
- Clear definitions and step‑by‑step development of the six principal trigonometric functions
- Explanations of circular and degree measures, with practical conversion rules
- Methods for solving right triangles and applying formulas to areas and triangles
- Worked examples, formulas for common tasks, and tables for reference
- Guidance on how to tailor the course for shorter study, if desired

Ideal for readers of high‑school through early college level who want a solid, traditional grounding in plane trigonometry and its applications. It is suitable for self‑study or classroom use, and for anyone seeking a historically solid treatment of the subject.

• Foundational definitions: angle measurement, circular measure, and basic trig ratios


• Rules and formulas for right and oblique triangles, including area calculations


• Progression from specific right-triangle results to general properties of triangles


• Practical examples and worked problems for mastery and reference

Ideal for readers of who want a traditional, self-contained approach to plane trigonometry.

About this title

About the Author

Henry Wadsworth Longfellow was born in 1807 in Portland, Maine, and he became a professor of modern languages at Harvard. His most famous narrative poems include The Song of Hiawatha, Paul Reveres Ride, "The Village Blacksmith," "The Wreck of the Hesperus." From his friend Nathaniel Hawthorne, Longfellow got a brief outline of a story from which he composed one of his most favorite poems, 'Evangeline'. The original story had Evangeline wandering about New England in search of her bridegroom. One of the first poets to take the landscape and stories of North America as his subjects, Longfellow became immensely popular all over the world, and he was the first American commemorated in the Poets Corner of Westminster Abbey. He was given honorary degrees at the great universities of Oxford and Cambridge, invited to Windsor by Queen Victoria, and called by request upon the Prince of Wales. He was also chosen a member of the Russian Academy of Sciences and of the Spanish Academy. He died on March 24, 1882.

Edition details

• Publisher: Forgotten Books
• Publication date: 2018
• Language: English
• ISBN 10: 133308076X
• ISBN 13: 9781333080761
• Binding: Paperback
• Number of pages: 133