cosine
(informal) Resembling or characteristic of a landscape.
Burning, lit, on fire. / Often followed by with: shining with light; luminous, radiant; also, brightly coloured; vivid. / Of an electrical light source: switched on and emitting light.
In a noncommercial manner.
(trigonometry) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos
彼女は三角形を解くために、鋭角の余弦を用いて隣接辺の長さを求めた。
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