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三角弧[Triangle Arcs]
∑〖数学〗
2005-6-27 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)
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be a right triangle, arcs AP and AQ be segments of circles centered at C and B respectively, and define 
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