Tag Archives: identities

The Remarkable Sine Functions – Markushevich

In this post, we will see the book The Remarkable Sine Functions by A. I. Markushevich. About the book In the present book, we shall show how it is possible, by beginning with other curves (such as the equilateral hyperbola or … Continue reading

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Trigonometric Functions – Problem Solving Approach

We now come to another Problems and solutions book titled Trigonometric Functions (Problem Solving Approach) by A. Panchishkin and E. Shavgulidze. The  back cover says: This study aid is to help the student to master the basic techniques of solving difficult … Continue reading

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