The Fundamental Trigonometric Functions and the Customary Inversive Restrictions
Pp. 60-83 (24)
This part of this book is devoted to the fundamental trigonometric
functions examined together with their inverted restrictions, following the main
directions of studies specified at the end of Chapter 2.
Angle, measure, trigonometric circle, sine, cosine, tangent,
cotangent function, their corresponding inverted functions, graphics,
Romanian Academy of Scientists, “Vasile Alecsandri” University of Bacău, România.