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Trigonometria (1658)
Newton, J. · leaf 99
gment of the vertical angle :So the co-fine of the angle at the bafey9.£To the Co-fine of the angle inquired. If the perpendicular fall within, the arch found ; Ifwithout, the complement of the arch laft found to a fe-micircle, is the angle inquired. Illttfiration Arithmetical. As the Radius A S 9©… … 9.926978259.859133199.90723317 19.7663663691839^8811 2 Operation, Asthefineof IL 57*6973 To the fine of IF 46.3020 So the cofine of E G, viz.H G 5 3.8687 ■ To the cofine of M N, viz,. H M 43.6980 Therefore the angle ADC 46.3 020, the angle inquired. The fame Prtxft is required in the triangle of…Internet Archive · Public Domain Mark 1.0. Free to use for anything.
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