An Introduction to Trigonometry and its Applications

Indexed in: EBSCO, Ulrich's Periodicals Directory

This book represents a novel approach for the trigonometry and an original scientific work in this field, by using the ensemble structure composed of the real analysis and the axiomatic fundaments of ...
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Pp. 84-125 (42)

Vasile Postolică


This section is for the essential algebraic connections related to the trigonometric functions introduced in the precedent chapters and for the immediate implications and applications in the Euclidean geometry.


Trigonometric formulae, calculus by identities, inequalities, equations, inequations and their specified solutions, complex numbers’ plane projection and geometrical examples.


Romanian Academy of Scientists, “Vasile Alecsandri” University of Bacău, România.