Trigonometric functions and some trigonometrical identities
L Rathour, D Obradovic, SK Tiwari… - Computational …, 2023 - journal-cand.com
Trigonometry is a part of mathematics which deals with specific functions of angles and their
application, and it is studies of the dependence between the sides and angles of a triangle …
application, and it is studies of the dependence between the sides and angles of a triangle …