Desheng Yang: 2 books
Trigonometric Functions and Complex Numbers
In Mathematical Olympiad and Competitions
Language: English
Release Date: September 21, 2016
Trigonometric Functions and Complex Numbers covers the followings areas in the International Mathematical Olympiad (IMO) and other mathematical competitions.
Trigonometric identity, graphs and properties of trigonometric equations, inverse trigonometric functions and trigonometric equations,...
The Geographical Sciences During 1986—2015
From the Classics To the Frontiers
Language: English
Release Date: July 28, 2016
In four chapters and an introduction, this book systematically helps readers understand the development of the Geographical Sciences both in China and in the world during the past 30 years.
Through data analysis of methodologies including CiteSpace, TDA, qualitative analysis, questionnaires,...