7337
[Commentary:
The reference on this page are to Lansberg,
Triangulorum geometriae libri quatuor (1591) and Rheticus Opus palatinum de triangulis
(Rheticus 1596)
. ]
To find the summe of all the sines of minutes in
a quarter of a
a quarter of a
Nostra methodus. Vietæ
[Translation: My method. Viète's ]
[Translation: My method. Viète's ]
The half the summe of
the sines being. 4. the whole sine being
the sines being. 4. the whole sine being
The secant and tangent of 89.59 is æquall to the secant of 89.59.30.
see Lansberg's de triangulis pag. 11. and therefore both
the values by demonstration are all one. But the numbers disagreeing do argue that the secant & tangent
are not truly calculated in Rheticus his tables out of which those are
the values by demonstration are all one. But the numbers disagreeing do argue that the secant & tangent
are not truly calculated in Rheticus his tables out of which those are