Preston Albert H (3 results)

Soft cover. Condition: Very Good. No Jacket. Paperback copy, no dustjacket as issued. . B/w photographs. Not library copy, no creasing to spine, no inscriptions. (50/3).

Paperback. Condition: New. Print on Demand. Embark on a journey into the world of angles and triangles with this comprehensive guide to plane and spherical trigonometry. The author lays a solid foundation by delving into the fundamental concepts of angles, their measurement, and their relationships with trigonometric functions. This book explores the historical development of trigonometric functions, tracing their roots back to ancient geometrical concepts. The author then systematically explains the six primary trigonometric functionsââ âsine, cosine, tangent, cotangent, secant, and cosecantââ âand their interrelationships. With a focus on practical application, the text delves into solving plane triangles, exploring real-world problems involving heights, distances, and angles. Moving beyond the plane, the book ventures into the realm of spherical trigonometry, equipping readers with the tools to navigate the complexities of triangles on the surface of a sphere. Throughout, the emphasis remains on fostering critical thinking and problem-solving skills, encouraging readers to understand the reasoning behind trigonometric principles rather than relying on rote memorization. This timeless exploration of trigonometry offers valuable insights into the mathematical principles that govern our understanding of angles, triangles, and their applications in various fields. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Hardcover. Condition: Fine. Dust Jacket Condition: Fine. 320, [2], 253, [38] pp. ; illustrated throughout, portraits ; 28 cm. ; 1555212026 (v. 5); 9781555212025 (v. 5) ; LC: E468.7; Dewey: 973.7 ; OCLC: 17757174 ; Reprint. Originally published: New York : Review of Reviews, 1911 ; blue and grey cloth in photographic dustjacket ; poems and writings by Oliver Wendell Holmes, Henry Timrod, James Maurice Thompson, Edmund Clarence Stedman, George Parsons Lathrop, Francis Ticknor, Thomas Read, Joseph O'Connor, Robert Burns Wilson, Elbridge Jefferson Cutl er, Sidney Lanier, Kate Brownlee Sherwood, William Tuckey Meredith, Richard Watson Gilder, Henry Abbey, Horace Porter, Julia Ward Howe, Charles Francis Adams, Walt Whitman, Margaret Junkin Preston, Nathaniel Graham Shepherd, Ethel Lynn Beers, Elizab eth Stuart Phelps Ward, William Gordon McCabe, James Ryder Randall, Albert Pike, Samuel Hawkins Marshall Byers, Charles Graham Halpine, Henry Clay Work, Horace Porter, Francis Brete Harte, B enjamin Sledd, John Reuben Thompson, Frank H. Gassaway, Ch arles Dawson Shanly, James Jeffrey Roche, Will Henry Thompson, Kate Putnam Osgood, William Winter, Abram Joseph Ryan, Abraham Lincoln, James Russell Lowell, Francis Miles Finch, John Albee, Henry Jerome Stockard, Mary Ashley Townsend, Henry Peterson , Ulysses Simpson Grant, Jefferson Davis, L. Q. C. Lamar, Henry Woodfin Grady, John Jerome Rooney, Wallace Rice, John Howard Jewett, Frank Lebby Stanton ; photographs of all the principal officers of many regiments ; FINE/FINE. Book.…