Theodosius <Bithynius>; Clavius, Christoph
,
Theodosii Tripolitae Sphaericorum libri tres
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AB, ad AC, ut 5. </
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<
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tere, cum uno angulo acuto trianguli rectanguli, &</
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<
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rectãgulo ex
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duobus late
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ribus notis,
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vel ex eorũ
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proportione
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nota, vna cũ
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vno latere
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quocunque,
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reliqua in-
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quiruntur.</
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li, duos angulos acutos efficere notos, vna cum
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tertio latere. </
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rum, & </
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<
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angulos acutos, vna cum reliquis duobus lateri-
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bus cognoſcere.</
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<
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">IN triangulo ABC, cuius angulus B, rectus, ſit primum latus AC, recto
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tus angulo
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recto oppoſi
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tum, cũ vno
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latere circa
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angulum r@
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ctum datur.</
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angulo oppoſitum, & </
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">inſuper latus AB, circa angulum rectum datum, nem-
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pe AC, palm. </
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tium BC, explorare. </
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">Quoniam, poſito ſinu toto AC, latus AB, eſt ſinus an-
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guli C, dicemus. </
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dabit AB, palm. </
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ſinum AB, partium 38461. </
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uides.</
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AC. # AC. # AB. # # AB.
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13. # 100000. # 5? # fit # 38461.
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gulus C, grad. </
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inde reliquus angulus A, grad. </
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</
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ſinus, nempe BC, dabitur partium
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92310. </
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tium 100000. </
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<
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dat AB, palm. </
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<
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<
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ſe palm. </
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AC. # AC.
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100000. # 13.
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AB. # AB.} # BC. # # BC.
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38461. # 13. # 5. # 92310? # fit # 12.
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<
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ca eundem angulum rectum; </
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tum ad ſinum totum, ita alterum latus datum ad aliud, prodibit ſinus acu
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ti anguli, qui lateri dato circarectum angulum opponitur. </
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<
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beneficio huius ſinus inuenti, vtro angulo acuto; </
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