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Trigonometria (1657)
Oughtred · leaf 35
* parti fuperficiei hemifphaerii-: hoc eft uni 3^0 « partifuperficiei Sphasra? totius. Rcducctur autem ad gradus quadrates (qua? menfura eftnota)fic Die. 355 . 113 :: 360 . ii4ii9Mi, qua? turndiameter eft circuli maximi, turn menfura uniu$36o partis fu-perfic=fphasrseingrad.quadratis.Nam36o *… … TriangulorHm planornm calculus ^pimodetriangulo rethnguto ylano. |N triangulorum planorum refolutionc , exfolis angulis datis, non haberi pofiuntipfaIatcra $ fed cantummodo ratio laccium.Quare unum ex lateribus cognofci ncccITeeft. Et ad triangulum re&angulum (prater angulum re<5ium)…Internet Archive · Public Domain Mark 1.0. Free to use for anything.
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