косинус
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Косинус на ъгъл (в синьо)
Bulgarian
Etymology
Scientific term, ultimately from Latin cosinus (“co-pocket”). Equivalent to ко- (ko-) + синус (sinus, “sine”).
Pronunciation
Noun
ко́синус • (kósinus) m (relational adjective ко́синусов)
- (trigonometry) cosine (ratio between the length of an adjacent side to the length of the hypotenuse in a right-angle triangle)
Declension
Declension of ко́синус
| singular | |
|---|---|
| indefinite | ко́синус kósinus |
| definite (subject form) |
ко́синусът kósinusǎt |
| definite (object form) |
ко́синуса kósinusa |
Related terms
- си́нус (sínus, “cosine”)
References
- “косинус”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
- “косинус”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010
Kazakh
| Alternative scripts | |
|---|---|
| Arabic | كوسينۋس |
| Cyrillic | косинус |
| Latin | kosinus |
Etymology
Borrowed from Russian ко́синус (kósinus), from Latin complementi sinus (literally “sine of the complement”).
Pronunciation
Noun
косинус • (kosinus)
Macedonian
Pronunciation
Noun
косинус • (kosinus) m
Declension
Declension of косинус
| singular | plural | |
|---|---|---|
| indefinite | косинус | косинуси |
| definite unspecified | косинусот | косинусите |
| definite proximal | косинусов | косинусиве |
| definite distal | косинусон | косинусине |
| vocative | косинусу | косинуси |
| count form | — | косинуса |
Russian
Pronunciation
Noun
ко́синус • (kósinus) m inan (genitive ко́синуса, nominative plural ко́синусы, genitive plural ко́синусов)
Declension
Declension of ко́синус (inan masc-form hard-stem accent-a)
| singular | plural | |
|---|---|---|
| nominative | ко́синус kósinus |
ко́синусы kósinusy |
| genitive | ко́синуса kósinusa |
ко́синусов kósinusov |
| dative | ко́синусу kósinusu |
ко́синусам kósinusam |
| accusative | ко́синус kósinus |
ко́синусы kósinusy |
| instrumental | ко́синусом kósinusom |
ко́синусами kósinusami |
| prepositional | ко́синусе kósinuse |
ко́синусах kósinusax |
Descendants
- → Kazakh: косинус (kosinus)
See also
- арккосинус (arkkosinus)
- арккосеканс (arkkosekans)
- арккотангенс (arkkotangens)
- арксеканс (arksekans)
- арксинус (arksinus)
- арктангенс (arktangens)
- гиперболический ко́синус (giperboličeskij kósinus)
- косеканс (kosekans)
- кота́нгенс (kotángens)
- секанс (sekans)
- си́нус (sínus)
- та́нгенс (tángens)
Serbo-Croatian
Pronunciation
Noun
ко̀синус m (Latin spelling kòsinus)
Declension
Declension of косинус
| singular | plural | |
|---|---|---|
| nominative | косинус | косинуси |
| genitive | косинуса | косинуса |
| dative | косинусу | косинусима |
| accusative | косинус | косинусе |
| vocative | косинусе | косинуси |
| locative | косинусу | косинусима |
| instrumental | косинусом | косинусима |