On bounds of the sine and cosine along straight lines on the complex plane
| 27 lut 2020
O artykule
Data publikacji: 27 lut 2020
Zakres stron: 371 - 379
Otrzymano: 04 lis 2018
DOI: https://doi.org/10.2478/ausm-2019-0027
Słowa kluczowe
© 2019 Feng Qi, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Feng Qi
College of Mathematics
Inner Mongolia University for Nationalities,
School of Mathematical Sciences
Tianjin Polytechnic University,
Institute of Mathematics,
Henan Polytechnic University