Feng Qi, On bounds of the sine and cosine along straight lines on the complex plane, Acta Universitatis Sapientiae Mathematica 11 (2019), no. 2, 371--379; available online at https://doi.org/10.2478/ausm-2019-0027.
Feng Qi, On bounds of the sine and cosine along straight lines on the complex plane, Acta Universitatis Sapientiae Mathematica 11 (2019), no. 2, 371--379; available online at https://doi.org/10.2478/ausm-2019-0027.
Feng Qi, On bounds of the sine and cosine along straight lines on the complex plane, Acta Universitatis Sapientiae Mathematica 11 (2019), no. 2, 371--379; available online at https://doi.org/10.2478/ausm-2019-0027.
Feng Qi, On bounds of the sine and cosine along straight lines on the complex plane, Acta Universitatis Sapientiae Mathematica 11 (2019), no. 2, 371--379; available online at https://doi.org/10.2478/ausm-2019-0027.
Abstract
In the paper, the author discusses and computes bounds of the sine and cosine along straight lines on the complex plane.
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
(Click to see Publons profile: )
Commenter's Conflict of Interests:
I and the author of this paper
Comment:
This preprint has been formally published as
Feng Qi, On bounds of the sine and cosine along straight lines on the complex plane, Acta Universitatis Sapientiae Mathematica 11 (2019), no. 2, 371--379; available online at https://doi.org/10.2478/ausm-2019-0027.
Commenter:
Commenter's Conflict of Interests: I am the author
Commenter:
Commenter's Conflict of Interests: I and the author of this paper
Feng Qi, On bounds of the sine and cosine along straight lines on the complex plane, Acta Universitatis Sapientiae Mathematica 11 (2019), no. 2, 371--379; available online at https://doi.org/10.2478/ausm-2019-0027.