名词
中文翻译：余割函数
同义词：
['secant', 'reciprocal', 'inverse例句：1. The function is defined as the ratio of the area to the length of the curve.（这个函数定义为曲线面积与曲线长度的比例。）2. The tangent at the point (3', '4) can be found by taking the reciprocal of the slope at that point.（在点(3', '4)处的切线可以通过取该点的斜率的倒数得到。）']
例句：
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1. The function is defined as the ratio of the area to the length of the curve.
这个函数定义为曲线面积与曲线长度的比例。
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2. The tangent at the point (3, 4) can be found by taking the reciprocal of the slope at that point.
在点(3, 4)处的切线可以通过取该点的斜率的倒数得到。
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3.The inverse function of the exponential function can be used to solve for the unknown variable.
指数函数的逆函数可以用来求解未知变量。