8141
[Commentary:
The reference on this page is to Adrianus Romanus responsum
(Viete . ]
subtensæ omnes quæ commode
per æquatione haberi possunt.
Nam. 20.
Subtensa non est quærenda per methodum
Adriani Romani, per alias et cæteræ. Inde
investiganda per æquationum linea . unde
una subtensa se habetur per æquationem.
altera manifesta ex
[Translation: All the subtended angles that can conveniently be had from the equation, namely, 20.
The angle is not sought by the method of Adrianus Romanus, or by others and the rest. In that place it is investigated by the equation of the line , whence one angle is had from the equation; the other is clear from the diagram.
per æquatione haberi possunt.
Nam. 20.
Subtensa non est quærenda per methodum
Adriani Romani, per alias et cæteræ. Inde
investiganda per æquationum linea . unde
una subtensa se habetur per æquationem.
altera manifesta ex
[Translation: All the subtended angles that can conveniently be had from the equation, namely, 20.
The angle is not sought by the method of Adrianus Romanus, or by others and the rest. In that place it is investigated by the equation of the line , whence one angle is had from the equation; the other is clear from the diagram.