2005/06/27 | 三角弧[Triangle Arcs]
类别(∑〖数学〗) | 评论(0) | 阅读(36) | 发表于 13:56

In the above figure, let be a right triangle, arcs AP and AQ be segments of circles centered at C and B respectively, and define
(1)

(2)

(3)

Then
(4)

The figure also yields the algebraic identity
(5)
0

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