HeyRuaHow to say “sine” in Irish
- Irish:
- síneas
- English:
- sine
- Word type:
- noun
- Gender:
- masculine
- Pronunciation:
- “SHEEN-uss” /ʃiːnʲəs/
Various forms
- Plural:
- sínis (sines)
- Genitive singular:
- sínis, an tsínis (e.g. luach an tsínis, value of the sine)
- Genitive plural:
- síneas, na síneas (e.g. tábla na síneas, the table of the sines)
What does “síneas” mean?
- sine
- In trigonometry, the sine of an angle: the ratio of the side opposite the angle to the hypotenuse in a right-angled triangle.Also: sine function, trigonometric ratio.
“Síneas” with the article
The plural of sine in Irish is sínis. Here is síneas after the article (an t-alt), in the singular and the plural.
an síneas
the sine
No change after an
na sínis
the sines
Plural: no change after na
“Síneas” in a sentence: Irish examples
Common Irish sentences using síneas, the Irish word for sine.
Faigh síneas na huillinne seo.
Find the sine of this angle.
Is ionann an síneas agus urchomhair thar fhleasc.
The sine equals opposite over hypotenuse.
Úsáid an t-áireamhán chun an síneas a fháil.
Use the calculator to get the sine.
Tá luach an tsínis idir lúide a haon agus a haon.
The value of the sine is between minus one and one.
Scríobh na sínis i dtábla.
Write the sines in a table.
Rinneamar staidéar ar an síneas sa rang mata.
We studied the sine in maths class.
Tá cnaipe don síneas ar m'áireamhán.
There is a button for sine on my calculator.
Other nouns in Irish
More everyday Irish nouns to learn next.
Sine in Irish: frequently asked questions
What is the Irish for sine?
The Irish for sine is síneas (pronounced “SHEEN-uss”). It’s a masculine noun and the plural is sínis.
How do you pronounce síneas in Irish?
Síneas is said like “SHEEN-uss” (IPA /ʃiːnʲəs/).
What is the plural of sine in Irish?
The plural of síneas is sínis; with the article, na sínis means “the sines”. The genitive plural is síneas, as in tábla na síneas (the table of the sines).
Why does síneas change to shíneas?
After words like mo (my) and do (your) the first letter is lenited: mo shíneas. After ár (our) it stays ár síneas, because s does not take eclipsis.
What is cosine in Irish?
Cosine is 'comhshíneas', and tangent is 'tangant'.
