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cosine    
n. 余弦

余弦

cosine
餘弦

cosine
餘弦

cosine
n 1: ratio of the adjacent side to the hypotenuse of a right-
angled triangle [synonym: {cosine}, {cos}]



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英文字典中文字典相關資料:
  • cos (x) | cosine function - RapidTables. com
    Cosine definition In a right triangle ABC the cosine of α, cos (α) is defined as the ratio betwween the side adjacent to angle α and the side opposite to the right angle (hypotenuse):
  • MFG The Sine and Cosine Functions
    The special values of sine and cosine in the first quadrant are very useful to know, since knowing them allows you to quickly evaluate the sine and cosine of common angles without needing to look at a reference sheet or use your calculator





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