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1·Trigonometry is very useful in architectural design.

三角学在建筑设计中非常有用。youdao

2·Students like to learn trigonometry.

学生们喜欢学习三角学。youdao

3·Trigonometry helps us solve many geometry problems.

三角法帮助我们解决很多几何问题。youdao

4·The teacher explains trigonometry vividly.

老师生动地讲解三角学。youdao

5·Trigonometry plays an important role in navigation.

三角学在航海中发挥重要作用。youdao

6·We can use trigonometry to calculate distances.

我们可以用三角学计算距离。youdao

7·Trigonometry is very valuable in astronomy.

三角法在天文学里很有价值。youdao

8·Learning trigonometry makes him more confident.

学习三角学让他更有自信。youdao

9·Knowledge of trigonometry broadens our horizons.

三角学的知识拓宽了我们的视野。youdao

10·Engineers often use trigonometry.

工程师经常运用三角法。youdao

三角学

1·He received a low mark for trigonometry.

他的三角学分数很低。《新英汉大辞典》

2·Indeed, there are nearly 20 built-in functions for trigonometry.

实际上，它的三角学内置函数就有20余种。

3·Advanced math — XSLT can perform basic arithmetic easily enough, but it doesn't support trigonometry, exponential functions, logarithms, or other more advanced mathematical operators and functions.

高等数学——XSLT在基本数学方面游刃有余，但它不支持三角学、指数函数、对数或其他更为高级的数学运算符及函数。

4·You can’t do a calculus class without first taking (and understanding) an Algebra and a Trigonometry class.

没有三角学和代数学的知识你不会理解微积分。

5·Surveyors use geometry, algebra, and trigonometry, as well as a variety of technologies, to take exact measurements of the land and its features.

勘测人员利用几何，代数，三角学，以及各种技术，对土地及其特征进行精确的测量。

三角法

1·Methods of spherical trigonometry and direction cosine matrix were applied respectively to derive the bracket error, and the two methods had the same error formula and the same calculation results.

应用球面三角法和方向余弦矩阵法分别推导出双轴陀螺平台的支架误差公式，发现由这两种方法推导出来的公式计算结果是一致的。

2·By means of spherical graphics and plane trigonometry, space angle and space point coodinates are calcullated for three sets of combined fixtures as examples.

运用球面图法及平面三角法，计算了三种组合夹具实例的空间角度及空间点的坐标。