1.【数】余弦
1.in a right triangle, the measurement of an acute angle that is equal to the length of the side between the angle and the right angle pided by the length of the hypotenuse
1.The nine elements of the matrix are products of cosines of angles between the direction of a streamline at a point and the coordinate axis.
这矩阵的9个元素系一点的流线方向和座标轴之间夹角余弦的乘积。
2.That would be a nice viewport for trigonometric graphics like sins or cosines.
这对于三角图形（例如sin和cosine）来说是很好的一个viewport。
3.The sine, the law of cosines connotation is rich, versatility.
正、余弦定理内涵丰富，用途广泛。
4.Your silky hair contains a thousand lines, hard to match with sums of discrete cosines .
你丝绒般的头发包含了上千线条，根本无法以「离散余弦」来匹配。
5.Virtually all the problems were straightforward numerical calculations, such as grinding out tables of sines, cosines, and logarithms .
事实上，所有的问题都是直接的数值计算，比如取正弦、余弦和对数计算。
6.Maybe it will be easier to set up bounds but maybe the function will become harder because it will have all these sines and cosines in it.
可能是积分边界容易确定，但函数可能就比较困难，因为它含有这些sin，cos在里面。
7.I hear some cosines. I hear some sines.
我还听到了余弦，还有正弦。
8.Learn how to make waves of all different shapes by adding up sines or cosines.
瞭解如何通过增加正弦和余弦来制造各种不同形状的波。
9.For example, Listing 3 shows a stylesheet that generates sines, cosines, and tangents for the angles.
例如，清单3展示了一个样式表，它生成角度的正弦、余弦和正切值。
10.Argumentation and Application of Law of Sines and Cosines at Not Known Dot Setting Survey Dot of Theodolite Lead
正余弦定理在经纬仪导线非已知点设站的探讨