Meaning of 余弦
余弦 means cosine; a trigonometric function defined as the ratio of the adjacent side to the hypotenuse in a right triangle. Pronounced yú xián.
- cosine; a trigonometric function defined as the ratio of the adjacent side to the hypotenuse in a right triangle
Definitions & Examples
Zhè这
gè个
jiǎo角
de的
yú余
xián弦
zhí值
shì是
líng零
diǎn点
bā八
。
The cosine value of this angle is zero point eight.
Yú余
xián弦
dìng定
lǐ理
shì适
yòng用
yú于
jì计
suàn算
sān三
jiǎo角
xíng形
de的
biān边
cháng长
。
The law of cosines is used to calculate the side lengths of a triangle.
Zài在
zhí直
jiǎo角
sān三
jiǎo角
xíng形
zhōng中
，
yú余
xián弦
děng等
yú于
lín邻
biān边
chú除
yǐ以
xié斜
biān边
。
In a right triangle, the cosine equals the adjacent side divided by the hypotenuse.