J. 6, Idem prorfQs euenit in formula generali pro 

 iinibus angulorum multiplorum tradi folita. Si enim pona- 

 mus 2. fm, (p zz: y , quoniam etiamnunc eadem fcala relatio- 

 nis X, — I valet, finus angulorum multiplorum fequenti 

 modo progredientur : 



2. lin. o (pizi o, 

 2 lin. 1 <p—y, 

 2 fin. 2. (p — y. X , 

 2 fin. Q(p—y(xx — i)» 



2 fin. ^<p—y(x'^ — 2 x), 



2 fin. $(p—y(x'* — 3XxH-i), 



2 fin. 6(p—y(x^ — 4 x^ H- 3 x), 



2 fin. y(p—y(x^ — Sx'*-!- 6xx — i), 



2 fin. sCpzzj^x^ — 6x^-i-io x^ — 43^)5 



2 fin. g(p~y(X:^ — 7x^-1-15 x'^ — loxxH-i), 



2 fin. io(p—y(x^ — 8 x^ -i- 2 1 x^ — 20 x^ H- 5 x). 

 etc. etc. 



Hic fcilicet y ab x ita pendet, vt fit j iz: -/(4 — xx). 



5. 7. Contemplatio harum iormularum fimili modo 

 vt ante pro angulo indefmito n Cp fequentem fuppeditabit 

 formulam generalem: 



, ( Tt — 4Hn — 5)(tt — 6^ -j.n — 7 _i_ ( n — 5Hn — 6 (n — 71(n — S) ^n — J 



I. 2. 3 "^ " I 2. 3. 4 

 (n — 6)(n — 7)(n — 8) (n — 9) (n — lo ) ^n — ii i_ _*.-, \ 



I. 2. 3. 4- 5 ■ ^ 



Haec autem formula cum veritate confiftere nequit, nifi ita 

 leftringatur, vt primo tantum ad numeros integros pofiti- 

 vos pro n affumendos applicetur; deinde vt termini non 



vlte- 



