- 753 名前：１３２人目の素数さん mailto:sage [2020/12/13(日) 13:03:51.07 ID:Fq7wqPea.net]
- うむ。
PQ = PR = 2AP sin(A/2) ≦ (AB+AC)/2・sin(A),
⊿PQR ≦ ⊿ABC・(sin A)^2,
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∠A AP AB = AC BC ⊿ABC ∠QPR PQ = PR ⊿PQR
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0° 1.5 1.5 0.0 0.0 180° 0.0 0.0
30° 1.150990482 1.19159303 0.61681394 0.354973487 150° 0.595796515 0.088743372
60° 0.866025404 1.0 1.0 0.433012702 120° 0.866025404 0.324759526
81.29264°0.689188464 0.908326913 1.183346174 0.407774266 98.70736°0.897857941 0.398428785 (Max)
90° 0.621320344 0.878679656 1.242640687 0.386038969 90° 0.878679656 0.386038969
120° 0.401923789 0.803847577 1.392304845 0.279800219 60° 0.696152423 0.209850164
150° 0.197478746 0.762999285 1.47400143 0.145541977 30° 0.381499643 0.036385494
180° 0.0 0.75 1.5 0.0 0° 0.0 0.0
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