Elements of Plane Trigonometry

Hugh Blackburn, 1863. Macmillan, 1863 (edition to be confirmed from the copy)

Provenance and licence

Text: Project Gutenberg eBook #32973, released June 25, 2010. The transcription's licence, as it states it:

This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org

This site quotes excerpts and problems from that transcription and hosts no scans; scans are linked to their archive. The records below (problems, checks, errata) are from pd-books at b3c614f, dedicated to the public domain (CC0), export generated 2026-10-10T11:13:12Z.

Chapters

OF THE MENSURATION OF THE CIRCLE 7 excerpts, 13 equations, 0 problems
OF THE AREA OF A TRIANGLE AND OF THE INSCRIBED CIRCLE 7 excerpts, 8 equations, 0 problems
OF SYMBOLS OF QUANTITY 6 excerpts, 1 equations, 0 problems
OF THE UNIT OF ANGULAR MAGNITUDE 5 excerpts, 12 equations, 0 problems
CIRCULAR FUNCTIONS, OR TRIGONOMETRICAL RATIOS 7 excerpts, 28 equations, 0 problems
OF LOGARITHMIC TABLES 5 excerpts, 10 equations, 0 problems
SOLUTION OF TRIANGLES 7 excerpts, 49 equations, 0 problems
OF TRIGONOMETRICAL SURVEYING 5 excerpts, 0 equations, 0 problems
OF PROJECTIONS 5 excerpts, 2 equations, 0 problems
THE SINE AND COSINE OF THE SUM AND DIFFERENCE OF TWO ANGLES 5 excerpts, 10 equations, 0 problems

Index of terms 104 terms, by chapter

Related books

The books the concept graph relates to this one, most shared terms first.

A Course of Pure Mathematics 1921
29 shared terms
arithmetical mean, base of a logarithm system, circular function, circular measure, common logarithm, constant, cosecant, cosine, cotangent, function, geometrical mean, limit, logarithm, origin, periodic function, positive direction, secant, sine, tangent, tangent function, triangle, variable, Euclid, John Napier, Ptolemy, area, length of a curve, pi, trigonometric identity
Spherical Trigonometry, for the Use of Colleges and Schools 1886
27 shared terms
ambiguous case, base line, circular measure, cosine, cotangent, excircle, geodesy, horizontal angle, inclination of two lines, inscribed circle, logarithm, sine, station, supplementary angles, tangent function, triangle, solving a right-angled triangle, solving a triangle, solving a triangle from its three sides, solving a triangle from two sides and the included angle, Euclid, John Napier, radius, semi-perimeter, law of sines, degree of angle, radian
Calculus Made Easy 1914
25 shared terms
arithmetical mean, circular function, circular sector, common logarithm, constant, cosecant, cosine, cotangent, function, limit, logarithm, periodic function, ratio, secant, sine, tangent, tangent function, variable, Isaac Newton, John Napier, angle, distance, trigonometric identity, degree of angle, radian
Elementary Illustrations of the Differential and Integral Calculus 1899
24 shared terms
common logarithm, constant, cosine, function, limit, logarithm, negative direction, origin, positive direction, ratio, regular polygon, sine, tangent, tangent function, variable, Archimedes, Isaac Newton, angle, arc of a circle, circumference, distance, radius, degree of angle, minute of arc
Plane Geometry 1899
21 shared terms
ambiguous case, angle bisector, broken line, circular sector, constant, geometrical mean, inscribed circle, limit, ratio, regular polygon, secant, tangent, triangle, variable, angle, area, circumference, distance, radius, Heron's formula, degree of angle
An Introduction to Mathematics 1911
18 shared terms
constant, cosine, function, limit, origin, periodic function, ratio, sine, tangent, triangle, variable, Isaac Newton, Ptolemy, angle, area, circumference, distance, radius
Solid Geometry with Problems and Applications 1919
17 shared terms
constant, cosine, function, limit, projection, projection of a line, sine, tangent function, variable, interpolating in logarithmic tables, angle, area, circumference, pi, radius, right angle, limits of equal variables are equal
Mathematical Recreations and Essays 1905
13 shared terms
cosecant, logarithm, periodic function, regular polygon, sine, tangent, tangent function, Archimedes, Euclid, Isaac Newton, angle, area, circumference
First Course in the Theory of Equations 1922
5 shared terms
origin, tangent, interpolating in logarithmic tables, Isaac Newton, radian
Vector Analysis and Quaternions 1906
5 shared terms
cosine, projection, sine, angle, radian
The First Steps in Algebra 1894
3 shared terms
arithmetical mean, geometrical mean, variable
Treatise on Thermodynamics 1903
3 shared terms
projection, ratio, tangent
A First Book in Algebra 1895
0 shared terms recorded.

Errata (0)

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