trigonometric device

例句：

1. 1.The trigonometric device is used to calculate the sine and cosine of angles.
   正切函数装置用于计算角度的正弦和余弦值。
2. 2. The engineer used a trigonometric device to measure the angle accurately.
   工程师使用正切函数装置精确测量了角度。
3. 3.The trigonometric device was essential for the construction of the bridge.
   正切函数装置对于桥梁的建设至关重要。