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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis (shelfmarks Leibn. Marg. 100:1/2, Stück 2; Leibn. Marg. 100:1/2)
# Folio 591, page id 851708439:0615
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Cap. VIII. ANGULARTBOS.
Capitis Sexri; primo inveniendis subrentis ReGregatorum e Disterentiarum AF-
cuum quorum Subtensa jam innoceseunt.
Corniris (ut jam ostentum cs) Arcus, Angulire Sinu Recto; Cuna cum
Circuli Radio:) Fansens, Sccans, _ sinus Vertus; cum ejuldem, cum ejus Com-
plemenci ad Guadrancem; inde facile derirantur per nocas Methodos.
Ouem in finem; libet hice subjungere Aquipollentiam seu Loodirauiar variarum
Delignationum pro earum sinsulis inter le cognationibus. Quam, ance multos
annos, in hanc tormam redezi; d D. Johanne Collinio ad id FogatIS.
Fsto R, radtius; S, Sinus rectus; Z, co sinus, seu linus complementi; T, cay-
BenS; 7, Co tangens; S, secans; 6, c0 secans; V, SnuS. VextuS: v LInuS- Versus
complementi. Pum erits
5 = v. R - 2. - - - = v. R.  5. - =
Z.R
R
V. R 52:-
V: R3-. 52: -
SR F
SR
R
F
YR. J. F: =
TR
V.X Ir:
Z. R
V. R 2: = 5 V: R - 5: = 1: 8 - R: -
R0V R00 Y: 20R -V.
R
2
=Y: S. - B:
V: 62 = R:
V: R F T3. = Rn Y = Y: 20R - 5
V: R S: = V: R = 22: = Y: s
R~V RCYV: EVR =V..
EiR
J. R 5.: =V. R + F: = V. R + -: = - v: 2 . + R =: -
TR YR B
Yo- P: 5 V.R- 2: S= V: R- 2.-
1
TR
V.N+ r: = Rvo = V: 2VR -V
= = V: R- 23: -
V: R- 22. =
SR
s
E
F
V.R 23. = V. R f r: V: R F
rR
R
23
P3
P2
Si RBV Y: 20R -v:
== V. P +R2:
R=
P3
 Y.R 8: 25V.R S. =F Ru Y. EVR V.
SR
V.p -. B.
Y = RF E. R F V: R -8: =R + q =RF s. R f 73. RF = R +
XR
=R F J. P L5:
=R F =R F V: 0 = R: =R + V: 20R - 8:
 =R+ S = R. + Y. R - 23: =R+ =RF s. R. f. g5. =R
=R +
TF
V. R. f. Y
= e + =
=RF  =R F Y: s -R: =R + V: 2VR -Y:
P. R.
lu