Background for sine
BeDict Logo

sine

/saɪn/

Meanings
noun
In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

Examples :

"In a right triangle with a 30-degree angle, the sine of that angle is 0.5, meaning the side opposite the angle is half the length of the hypotenuse. "
math science

Related Words

Illustration angle

angle noun

/ˈæŋ.ɡəl/

A figure formed by two rays which start from a common point (a plane angle) or by three planes that intersect (a solid angle).

"the angle between lines A and B"

Illustration opposite

opposite noun

/ˈɒpəsɪt/ /ˈɑp(ə)sɪt/

Something opposite or contrary to something else.

"My brother's opinion is the opposite of mine on the best way to study for the exam. "

Illustration meaning

meaning noun

/ˈmiːnɪŋ/

(of words or symbols) The entity, perception, feeling or concept thereby represented or evoked.

"The meaning of the teacher's hand gesture was clear: "Pay attention." "

Illustration that

that noun

/ˈðæt/ /ˈd̪æt/ /ˈðɛt/

Something being indicated that is there; one of those.

"My sister brought several books to the library, and that one is about dinosaurs. "

Illustration right

right adjective

/ˈɹaɪt/

Straight, not bent.

"a right line"

Illustration with

with adverb

/wɪθ/ /wɪð/

Along, together with others, in a group, etc.

"Do you want to come with?"

Illustration degree

degree noun

/dɪˈɡɹiː/

A stage of proficiency or qualification in a course of study, now especially an award bestowed by a university or, in some countries, a college, as a certification of academic achievement. (In the United States, can include secondary schools.)

"My sister earned a degree in psychology from the university. "

Illustration triangle

triangle noun

/ˈtɹaɪəŋɡəl/ /ˈtɹaɪˌæŋɡəl/

A polygon with three sides and three angles.

"The construction paper shape was a triangle. "

Illustration side

side noun

/saɪd/

A bounding straight edge of a two-dimensional shape.

"A square has four sides."

Illustration hypotenuse

hypotenuse noun

/haɪˈpɒtənjuːz/ /haɪˈpɑt̬ənjus/

The side of a right triangle opposite the right angle.

"The hypotenuse of the right triangle on my math homework is the longest side. "

Illustration length

length noun

/lɛn(t)θ/

The distance measured along the longest dimension of an object.

"The length of the classroom is 20 meters. "

Illustration ratio

ratio noun

/ˈɹeɪ.ʃi.əʊ/ /ˈɹeɪ.ʃiˌoʊ/

A number representing a comparison between two named things.

"The ratio of boys to girls in the class is 2 to 3. "