Plane Trigonometry by SL Loney:-
This book is the one of the most importent book by SL Loney. Plane Trigonometry is considered to be one of the easiest topics in mathematics by the aspirants of IIT JEE(main & advance) and other state level engineering examination preparation. It would not be untrue to say that most of the sources have taken inspiration from this book as it is the most reliable source.The best part of this book is its coverage in Heights and Distance and inverse Trigonometry Function. The book gives a very good learning experience and the exercises which follow are not only comprehensive but they have both basic and standard questions.
One of the best part of foreign author's book is that the answers given at the end of the book are very accurate which is a rare feature in most of the books.SL Loney is very famous amoung IIT-JEE aspirants.Every refers it for 10+2 level exam like IIT-JEE(main & advance).
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