1$ DE CYRVA (JVADAM 



III.Sitx-2 etobj> = 2fitja!:i2(i+i-A;=:i ^4556867© 

 — tang. ({J hincque angulus $— 6i°, 33'. 



IV. Sit x-3 etobjr6 fit^ = 6(i-t-i + i-A.>-tang.(|) 

 feu tang,$ — 7,536706010 et (J)— 82°,26 /> . 



V. Sit *— 4 et ob^— 24 fit Jj= 24.(1 +1+Hr^) 



hincque tang.(|>— 36,146824040 et $— 8 8% 25'. 



In genere igitur (i abfcifia x aequetur numero in- 

 tegro cuicunque tr r ob yzz 1. 2„ . . . . . . n erit 



=rtang.(£ = r. 2. a HJV^t^H^.. . 4-|~>J- 



5x 



1 5. Definiamus hinc etiam tangentes- prc* lo^ 

 cis intermediis ,, ac primcf quidem ad ablcifias pofi- 

 tiuas relatis t 

 L Sit <*.— !,, erit j=zlV7r atque 



jyd~x — ^"~r~ l ~~ ~~" r"a. ?,"4~3 * e tC- 



feu ^ — - A-4- 2 (i-|-hi-r_^etc.)=-A-4-2(i-/2)) 



hincque ^— tang.(p::j(2(i-/2)-A)zo,p364899739,j 

 IL Sit jfzr-I erit j?zr^| V7r atque 



j^=-A-4-2(i-M-/2): vnde fit 

 rf— tang > .Cp=:^(2(i-4-J.— /a)-Aj=: 0^031566405,^ 

 1IL Sit *=f erit j-^riv>m et^ = -- 4*a(i+3 



Cura 



