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Trigonometria (1658)

Newton, J. · leaf 101

An illustration from Trigonometria, 1658, leaf 101
x. IR 37.S085 9.7874775 2 1 ■.■• To the co-fine of IF,f/*.. I j£. 71-9197 Therefore the arch IF 16.0603 But the arch found is IL 52.1915 The difference is F L 36.1312 19.7441497^9-98271035 the meafure of the ang. DC Ac PROBL. 9. Two angles and a fide oppofite to either of them given, to finde the… … The given 1 Sttper. Scbeam. CD AC 36.1312Ang/es< fADC 46.302o( Side AC 30 2 Infer. Scheam46.3020 J103.9993 lC 42.1466 The terms of proportion. 1 For the fegment of the vertical angle, by the 6 Trobl. A s the Radius^To thecojine of the Hypotenufa So the ta ngent of the angle at the bafetTo the…

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