trigonometry

He received a low mark for trigonometry.

他的三角学分数很低。

It was also programmed with subroutines for logarithms and trigonometry.

它也用编好的子程序计算对数和三角。

Listing 6 shows how to declare some EXSLT extension functions for trigonometry and dates.

清单 6 显示了如何声明一些三角和日期 EXSLT 扩展函数。