โคไซน์
koo-saiMeaning
1NounB2
cosine (trigonometric function)
a trigonometric function (cos) that, for an angle θ, equals the ratio of the adjacent side to the hypotenuse in a right triangle; on the unit circle, it gives the x‑coordinate of the point at angle θ.
Examples
วันนี้wan-níiวันนี้wan-níi1today (time of speech)2today; this day3nowadays; at presentคุณครูkun-kruuคุณครูkun-kruu1teacher (polite/honorific)2Teacher (respectful title or address)สอนsɔ̌ɔnสอนsɔ̌ɔn1[to] teach [sb] [sth]2[to] instruct; train [sb]3[to] admonish; give moral guidanceเรื่องrʉ̂ʉangเรื่องrʉ̂ʉang1matter; issue; subject2story; tale3classifier for stories/films/cases4about; regarding (as a topic marker)ไซน์saiไซน์saisine; sin functionและlɛ́และlɛ́and (coordinating)โคไซน์koo-saiโคไซน์koo-saicosine (trigonometric function)ในnaiในnai1in; inside; within2during; in (time)3of; belonging to (formal)วิชาwí-chaaวิชาwí-chaa1subject; course; field of study2classifier: courses/subjects3knowledge; skill; discipline4esoteric or magical artsคณิตศาสตร์ká-nít-dtà-sàatคณิตศาสตร์ká-nít-dtà-sàatmathematics; math
Today, the teacher taught about sine and cosine in math class.
3 more examplesShow less
นักเรียนnák-riianต้องdtɔ̂ngกดgòtเครื่องคิดเลขkrʉ̂ʉang-kít-lêekเพื่อpʉ̂ʉaหาhǎaค่าkâaโคไซน์koo-saiของkɔ̌ɔngมุมmum45องศาong-sǎa
The student has to press the calculator to find the cosine value of a 45-degree angle.
ในnaiสามเหลี่ยมมุมฉากsǎam-lìiam-mum-chàakค่าkâaโคไซน์koo-saiของkɔ̌ɔngมุมmumใดdaiมุมmumหนึ่งnʉ̀ngคือkʉʉอัตราส่วนàt-dtraa-sùuanระหว่างrá-wàangความยาวkwaam-yaaoของkɔ̌ɔngด้านdâanประชิดbprà-chítมุมmumกับgàpด้านdâanตรงข้ามdtrong-kâamมุมฉากmum-chàak
In a right-angled triangle, the cosine value of an angle is the ratio of the length of the adjacent side to the hypotenuse.
วิศวกรwít-sà-wá-gɔɔnใช้ฟังก์ชันchái-fang-chânโคไซน์koo-saiในnaiการคำนวณgaan-kam-nuuanแรงrɛɛngองค์ประกอบong-bprà-gɔ̀ɔpในnaiแนวแกนnɛɛo-gɛɛnนอนnɔɔnของkɔ̌ɔngโครงสร้างkroong-sâangที่tîiรับน้ำหนักráp-nám-nàk
Engineers use the cosine function to calculate the horizontal force component of a load-bearing structure.
Tones
See how the spelling sets each syllable's tone, step by step.
2 syllables · pick one to see its rule
How the tone is decided
- Consonant classLow class
- Tone markNo tone mark
- Syllable endingLive syllableA long vowel with no final consonant, so it is live.
Low class consonants
คฅฆงชซฌญฑฒณทธนพฟภมยรลวฬฮ
Result
Mid tone
koo
Level, in your normal speaking voice.
Low class + No tone mark + Live syllable → Mid
Tone chart
Every class and spelling pattern, with this syllable outlined.
| Mid class | High class | Low class | |
|---|---|---|---|
| No mark + live | Mid | Rising | Mid |
| No mark + dead short | Low | Low | High |
| No mark + dead long | Low | Low | Falling |
| Mai ek | Low | Low | Falling |
| Mai tho | Falling | Falling | High |
| Mai tri | High | — | — |
| Mai chattawa | Rising | — | — |
Word Breakdown
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โคไซน์koo-saiโคไซน์koo-saicosine (trigonometric function)cosine (trigonometric function)Word