| 单词 | trigonometric function | 
| 释义 | Word Frequency trigonometric functionnoun 1.  Also called: circular function any of a group of functions of an angle expressed as a ratio of two of the sides of a right-angled triangle containing the angle. The group includes sine, cosine, tangent, secant, cosecant, and cotangent  2.  any function containing only sines, cosines, etc, and constants   | 
	
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