The hindus, like the greeks, regarded trigonometry as a tool for their astronomy . 印度人和希腊人一样，把三角学当作他们天文学的工具。
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The height of the mountain has been determined by trigonometry 该山的高度已用三角学测得。
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Trigonometry helps rotate and move characters , while algebra creates the special effects that make images shine and sparkle 三角学帮助旋转和移动人物，代数帮助创作使形象闪闪发光的特效。
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Trigonometry helps rotate and move characters , while algebra creates the special effects that make images shine and sparkle 三角学有助于旋转和移动人物，而代数学则适用于制作使影像闪闪发光的特效。
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Rather than explaining slerp in detail here ( it ' s really just basic trigonometry ) , i ' ll give you some source code in a minute 与其在这里详细讨论球形线性插值而言（它只是些基础的三角学） ，我宁愿稍后给你一些源代码。
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The actual displacement between any two points may be determined by drawing a scale diagram with a ruler and a protractor , or by using simple trigonometry 任何两点之间实际的位移可用比例尺和分度器画简图予以判断，或者使用简单的三角学计算之。
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From the two photos , we can measure the angle p in the following figure . since we also know the value of 1 a . u . , by simple trigonometry , we can calculate the distance d 由于我们已知道地球与太阳的平均距离即一天文单位，只要量度较接近恒星相对于背景星空所偏移的角度p ，便可以利用简单三角学公式计算出星体和地球的距离d 。
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This paper deals with method of chinese mathematics s ystem mainly based on “ gougu ” which is the system equaling to indian trigonome try system ( its ) , pointing out the fact that ist was contained in ancient chinese mathemati cs 论述了中算中的“勾股”术与印度“三角”的等价性，及有关三角问题的中算“勾股”处理.指出中算自身的内容蕴含着三角内容的等价体系，为唐代中算没有接受印度三角学提供了一个支持
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On the basis of abundant materials , the article expounds systematically the " zero " space , the arabian numbers , the use of arc trigonometry and the bringing in of moslem mathematics books and discusses the influences of moslem mathematics brought in yuan dynasty of chinese mathematics 摘要本文通过翔实的资料，就元代“ 0 ”空位、阿拉伯数码、弧三角学的运用及回回数学著作的引入进行了系统的阐述，并以此探究了元代传入的回回数学知识对中国数学所产生的影响。
