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Trigonometry for Beginners by J. B. Lock
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Trigonometry for Beginners
by J. B. Lock
Publisher: The MacMillan Company 1896
Number of pages: 236
Contents: Definitions. The Figures of Trigonometry; Measurement of Angles; Trigonometrical Ratios; Acute Angle; Trigonometrical Ratios of Certain Angles; Practical Applications; On the Relations between the Trigonometric Ratios; Solution of Trigonometrical Equations; On the Trigonometrical Ratios of Two or More Angles; Multiple Angles, Sub-multiple Angles; etc.