trigonometric table

例句：

1. 1.The trigonometric table is essential for calculating angles in geometry.
   三角函数表对于几何中计算角度至关重要。
2. 2. The engineer used the trigonometric table to find the area of a circle.
   工程师使用三角函数表来找到圆的面积。
3. 3. The trigonometric table was provided by the math department for students to use during their exams.
   数学系提供了三角函数表供学生在考试中使用。