“正切”是三角学中的一个重要概念.

The tangent is an important concept in <em>trigonometry</em>.

高中：代数，几何，高等代数，三角学，?（圆锥和极限。

High School: Algebra, Geometry, Advanced Algebra, <em>Trigonometry</em> , Pre-Calculus (conics and limits.

他们可能不知道的物理或三角学什么，但他们发挥，如果他们做的事。

They might not know anything about physics or <em>trigonometry</em>, but they play as if they do.

课题包含利用流体物理学规律，以及物理学和三角学的应用来对血溅形态进行分析。

Topics include the physical laws of fluids and the application of physics and <em>trigonometry</em> to bloodstain pattern analysis.

巴罗：英国神学家、学者和数学家，写有三角学、光学和神权方面的著作。

Barrow: English theologian, scholar, and mathematician who wrote about <em>trigonometry</em> , optics, and papal supremacy.

巴罗: 英国神学家 、 学者和数学家,写有三角学 、 光学和神权方面的著作.

Barrow: English theologian, scholar, and mathematician who wrote about <em>trigonometry</em>, optics, and papal supremacy.

有必要说明一下，早在公元前300年的亚里士多德时期，那时的球面三角学和天文观测结果就批驳了珊顿的地平论观点。

Shenton's critics, it should be pointed out, can fall back on spherical <em>trigonometry</em> and astronomical observations that date right back to Aristotle in 330BC.

好吧你来教我三角学？

Right, you're gonna teach me trig ?

大学上微积分课时我做了许多三角学的作业，作业中这个数经常出现。

I had been doing a lot of trig homework for a calculus class I was taking in undergrad and this number appears a lot.