Printed Book
Teach Yourself Trigonometry
This book gives a simple explanation of the fundamental principles of Trigonometry, its rules and formulae. Only a knowledge of Arithmetic and elementary Algebra is assumed, Chapter I giving a short resum6 of Geometry and'Chapter II a fairly full treatment of logarithms for the reader who has no previous acquaintance with these subjects. The exercises are carefully graded and of a practical nature, and metric (S.I.) units are used throughout.
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