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.
Mathematics Elementary Algebra & Trigonometry Trigonometry