sine cosine mechanism

例句：

1. 1.The design of the new product uses a sin-cosine mechanism to optimize its performance.
   新产品的设计使用了正弦余弦机制来优化其性能。
2. 2. In engineering, the sin-cosine mechanism is used to calculate the angle between two vectors.
   在工程中，正弦余弦机制被用来计算两个向量之间的夹角。
3. 3. The sin-cosine mechanism has been widely used in various fields due to its accuracy and efficiency.
   由于其准确性和效率，正弦余弦机制在各个领域得到了广泛的应用。