Theodosius <Bithynius>; Clavius, Christoph
,
Theodosii Tripolitae Sphaericorum libri tres
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drante, vel ab eo ſuperatur, ſi eſt quadrante maior.</
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<
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tũ anguli
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ſphærici
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quid.</
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citur exceſſus, quo quadrans arcum ipſius anguli
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ſuperat, vel ab eo ſuperatur.</
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<
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ſphærici eſt ſinus, tangens, & </
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qui arcus anguli dicitur.</
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ximorum in ſuperficie ſphæræ inæquali-
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bus, quorũ neuter ſemicirculo maior ſit,
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de maiore æqualem minori arcum detrahere.</
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neuter ſemicirculo maior ſit, & </
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maior ſit CD; </
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iori CD, minori AB, æqualem de-
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trahere. </
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tur ei æqualis CE, in arcu CD.
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lem eſſe arcui minori AB. </
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enim circuli arcuum AB, CD,
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maximi ſint, & </
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les; </
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CE, arcus æquales AB, CE: </
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vterque arcus ſemicirculo minor ponatur. </
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culorum, &</
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que minus eſt ſemicirculo.</
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culo eſſe minus. </
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