On bounds of the sine and cosine along straight lines on the complex plane
In the paper, the author discusses and computes bounds of the sine and cosine along straight lines on the complex plane.
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| Format: | Article |
| Language: | English |
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Sciendo
2019-12-01
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| Series: | Acta Universitatis Sapientiae: Mathematica |
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| Online Access: | https://doi.org/10.2478/ausm-2019-0027 |
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doaj-2602e0f8e9284570a63111cad38eb7b92021-09-06T19:41:26ZengSciendoActa Universitatis Sapientiae: Mathematica2066-77522019-12-0111237137910.2478/ausm-2019-0027ausm-2019-0027On bounds of the sine and cosine along straight lines on the complex planeQi Feng0College of Mathematics, Inner Mongolia University for Nationalities, China, School of Mathematical Sciences, Tianjin Polytechnic University, China, Institute of Mathematics, Henan Polytechnic University, China, email: qifeng618@gmail.com; qifeng618@hotmail.comIn the paper, the author discusses and computes bounds of the sine and cosine along straight lines on the complex plane.https://doi.org/10.2478/ausm-2019-0027boundsinecosinehorizontal straight linevertical straight linesloped straight linecomplex plane33b1030a10 |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Qi Feng |
| spellingShingle |
Qi Feng On bounds of the sine and cosine along straight lines on the complex plane Acta Universitatis Sapientiae: Mathematica bound sine cosine horizontal straight line vertical straight line sloped straight line complex plane 33b10 30a10 |
| author_facet |
Qi Feng |
| author_sort |
Qi Feng |
| title |
On bounds of the sine and cosine along straight lines on the complex plane |
| title_short |
On bounds of the sine and cosine along straight lines on the complex plane |
| title_full |
On bounds of the sine and cosine along straight lines on the complex plane |
| title_fullStr |
On bounds of the sine and cosine along straight lines on the complex plane |
| title_full_unstemmed |
On bounds of the sine and cosine along straight lines on the complex plane |
| title_sort |
on bounds of the sine and cosine along straight lines on the complex plane |
| publisher |
Sciendo |
| series |
Acta Universitatis Sapientiae: Mathematica |
| issn |
2066-7752 |
| publishDate |
2019-12-01 |
| description |
In the paper, the author discusses and computes bounds of the sine and cosine along straight lines on the complex plane. |
| topic |
bound sine cosine horizontal straight line vertical straight line sloped straight line complex plane 33b10 30a10 |
| url |
https://doi.org/10.2478/ausm-2019-0027 |
| work_keys_str_mv |
AT qifeng onboundsofthesineandcosinealongstraightlinesonthecomplexplane |
| _version_ |
1717766199977181184 |