名词中文翻译
中文翻译：正切
同义词：
['tangent', 'sine', 'cosine例句：1. The directrix of the parabola is the line that passes through the focus and perpendicular to the axis.（抛物线的直接线是穿过焦点且垂直于轴的线。）2. In trigonometry', 'the directrix of a right triangle is the line that bisects the angle between its two sides.（在三角学中，直角三角形的直接线是将其两边之间的角二等分的线。）3. The directrix of a circle is the line that divides it into two equal halves.（圆的直接线是将圆分成两个相等部分的线。）']
例句：
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1. The directrix of the parabola is the line that passes through the focus and perpendicular to the axis.
抛物线的直接线是穿过焦点且垂直于轴的线。
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2. In trigonometry, the directrix of a right triangle is the line that bisects the angle between its two sides.
在三角学中，直角三角形的直接线是将其两边之间的角二等分的线。
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3. The directrix of a circle is the line that divides it into two equal halves.
圆的直接线是将圆分成两个相等部分的线。