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王守恩 发表于 2021-3-7 18:20
Solve[\(R=1, r=\frac{\sin a}{\sin b}=\frac{\sin(a + b)}{\sin b},\frac{ \pi r^2}{2}=\frac{ R^2 ( ...
Solve[\(R=1, r=\frac{\sin a}{\sin b}=\frac{\sin(a + b)}{\sin b},r^2=\frac{2 a - \sin2 a}{\pi - 2 b + \sin2 b}\)]
{{R -> 1.00000000000000000000000000000000000000000000000000000000000000000000,
r -> 0.86301495413788874688553383303154153086948798847741574339492649449611,
a -> 0.95284786465494194744133321858048335174752156080640160609678227999727,
b -> 1.2358969242799093435799769461185361807021262777623026087813800323133}} |
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