Abstract
IN this school-book of three hundred and twenty-six pages the authors have arranged a course on trigonometry which should be most useful to those studying this subject for the first time. The book may be roughly divided into three portions, dealing first with the trigonometry of one angle, then with that of two or more angles, and, lastly, with logarithms and the trigonometry of triangles. This arrangement seems to work out well, as it allows of the formation of a simple progressive course. The authors rightly lay some stress on the insertion of illustrative exercises, and many of these will be found in the text. In the chapter devoted to the trigonometric functions of a variable angle special attention has been drawn to the tracing of the curves, so that the reader is here introduced to a method which is of great importance not only in this, but in other subjects.
The Tutorial Trigonometry.
(The University Tutorial Series.) By William Briggs, and G. H. Bryan, F.R.S.. Pp. viii + 326. (London: W. B. Clive, Univ. Corres. Coll. Press, 1897.)
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L., W. The Tutorial Trigonometry. Nature 56, 391 (1897). https://doi.org/10.1038/056391a0
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DOI: https://doi.org/10.1038/056391a0
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