...章详细信息 关键词： 数量积;;余弦定理;;三角形内角和定理;;余弦公式;;二面角 [gap=277]Keywords: dot products;cosine theorem;interior angles' theory in triangles;cosine formula;dihedral angle ..
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... 二次方程 (Quadratic Equation Solution) 馀弦定理 (Cosine Theorem) 三边求三角形面积 (Heron’s Formula) ...
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cosine theorem of angle 角的余弦定理
cosine theorem of sides 边的余弦定理
the cosine-theorem 余弦定理
first cosine theorem 第一余弦定理
normal cosine theorem 法式余弦定理
second cosine theorem 第二余弦定理
interpolation cosine theorem 插值余项定理
cosine theorem of area 面积余弦定理
cosine theorem in space 立体几何余弦定理
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Then cosine theorem is no longer a pure problem from elementary geometry.
于是余弦定理从此不再是一个纯粹的初等几何问题。
By discussing the filter product cosine operator function and the spectrum of it 's generator, the spectral mapping theorem for the locally equicontinuous cosine operator function is established.
通过对滤子积余弦算子函数及生成元谱性质的讨论，建立了局部等度连续余弦算子函数的谱映象定理。
In this paper, we generalized the Pythagorean Theorem and Cosine law from the new point and we have got a few the simple proper USES of the result that we have made.
本文给出了两个定理：从一个新的角度推广了勾股定理与余弦定理：另外我们还给出了这两个定理的若干简单应用。
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