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RCT: Revista de Ciência e Tecnologia
Article . 2018 . Peer-reviewed
Data sources: Crossref
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RCT: Revista de Ciência e Tecnologia
Article
License: CC BY NC ND
Data sources: UnpayWall
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Trigonometria Triangular Esférica

Authors: Santos, Rodson da Silva; Oliveira, Joselito de;

Trigonometria Triangular Esférica

Abstract

Neste artigo estuda-se, em triângulos construídos sobre uma superfície esférica, versões de resultados conhecidos da trigonometria nos triângulos planos. Inicialmente, apresentam-se os conceitos e elementos fundamentais da Geometria Esférica e da trigonometria triangular esférica. Também é visto o Teorema de Girard, onde pode-se estudar a área de um triângulo construído sobre a superfície de uma esfera e a soma de seus ângulos internos, que ao contrário do que ocorre nos triângulos planos, é maior do que cento e oitenta graus. Feito isso, apresenta-se versões para a lei dos senos e a lei dos cossenos em um triângulo esférico. Finalmente apresenta-se algumas aplicações, como o cálculo da distância entre duas cidades.

Related Organizations
Keywords

Technology, Q1-390, Science (General), T, Science, Q, T1-995, Technology (General)

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold