Plane Trigonometry Part-I

Classic Texts Series’ were originally developed to serve as elementary textbooks for candidates preparing for various entrance exams taking place in India. Because of comprehensive content and illustrated examples the books in Classic Texts Series have been bestsellers ever since their inception. S.L. Loney’s Volume I of Plane Trigonometry is a popular book in our Classic Texts Series. The book emphasizes on presenting various concepts of Plane Trigonometry in the modern light. Through 21 chapters the author covers various topics with examples solved and unsolved practice problems. Students will find the following chapters in Part I of Plane Trigonometry – Measurement of Angles Sexagesimal and Centesimal Measure Circular or Radian Measure Trigonometrical Rations for angles less than Right Angle Simple problems in Heights & Distances Applications of Algebraic Signs to Trigonometry tracing ratio changes Trigonometrical rations of Angles of any sign and size General expressions for all angles having given trigonometrical ratio Trigonometrical ratio of the sum and difference of two angles product formulae Trigonometrical rations of multiple & submultiple of angles Identities and trigonometrical equations Logarithms Tables of Logarithms Principle of Proportional Parts Relations between side and trigonometrical ratios of angles of triangle Solution of triangles Two given sides and included angle – Problems and Exercises Ambiguous case Heights & Distances Properties of Triangle Quadrilaterals Regular polygons Inverse circular functions Summation of some simple trigonometrical series Elimination and Projections All these topics cover various aspects of Plane Trigonometry. Theoretical explanation has been provided in bullet points at the beginning of all chapters followed by practice problems to help candidates to revise discussed concepts. Chapter-wise miscellaneous examples have also been given at the end of topics for deeper understanding. 5 figure logarithmic and trigonometric tables have been provided for quick reference in the end of the book. The book acts as a complete study package for various elements of Plane Trigonometry for the enthusiastic learner and exam aspirants.