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Evaluation of Trigonometrical Ratios of Angles which are not Acute

Published online by Cambridge University Press:  31 October 2008

W. Anderson
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The following is meant as a set of working rules for applying the definitions of the trigonometrical ratios of any angle, where numerical evaluation is required. Let the initial arm of the angle be horizontal.

Type
Research Article
Information
Edinburgh Mathematical Notes , Volume 3 , December 1909 , pp. 26 - 27
Copyright
Copyright © Edinburgh Mathematical Society 1909