Napier's analogies (Q4491948)

formulas in spherical trigonometry

Language	Label	Description	Also known as
English	Napier's analogies	formulas in spherical trigonometry

Statements

instance of

0 references

0 references

0 references

0 references

spherical trigonometry

0 references

defining formula

\operatorname {tg} {\frac {\alpha +\beta }{2}}={\frac {\cos {\frac {a-b}{2}}}{\cos {\frac {a+b}{2}}}}\cdot \operatorname {ctg} {\frac {\gamma }{2}}

0 references

\operatorname {tg} {\frac {\alpha -\beta }{2}}={\frac {\sin {\frac {a-b}{2}}}{\sin {\frac {a+b}{2}}}}\cdot \operatorname {ctg} {\frac {\gamma }{2}}

0 references

\operatorname {tg} {\frac {a+b}{2}}={\frac {\cos {\frac {\alpha -\beta }{2}}}{\cos {\frac {\alpha +\beta }{2}}}}\cdot \operatorname {tg} {\frac {c}{2}}

0 references

\operatorname {tg} {\frac {a-b}{2}}={\frac {\sin {\frac {\alpha -\beta }{2}}}{\sin {\frac {\alpha +\beta }{2}}}}\cdot \operatorname {tg} {\frac {c}{2}}

0 references

statement describes

spherical triangle

0 references

maintained by WikiProject

WikiProject Mathematics

0 references

different from

Q4491943

0 references

Identifiers

Den Store Danske ID

Napiers_formler

0 references

Google Knowledge Graph ID

0 references

0 references

0 references

Napier's analogies (Q4491948)

Statements

Identifiers

Sitelinks

Wikipedia(4 entries)

Wikibooks(0 entries)

Wikinews(0 entries)

Wikiquote(0 entries)

Wikisource(0 entries)

Wikiversity(0 entries)

Wikivoyage(0 entries)

Wiktionary(0 entries)

Multilingual sites(0 entries)

Navigation menu

Napier's analogies (Q4491948)

Statements

Identifiers

Sitelinks

Wikipedia(4 entries)

Wikibooks(0 entries)

Wikinews(0 entries)

Wikiquote(0 entries)

Wikisource(0 entries)

Wikiversity(0 entries)

Wikivoyage(0 entries)

Wiktionary(0 entries)

Multilingual sites(0 entries)

Navigation menu

Search