fti4 METHOD. FACIL. COMPFT. ANGVL, SINVS 



ciiiiw fbrmulae ope tangentes in fra^lionibiis decimalibus 

 ad 12. figuras facile computari poterunt pofito fuiu toto 

 zi: I. 



Quod fecundo ad cotangentes attinet , erit iisdem pofitis 

 cotang. A . ^ 9o°=r ^, ^ ^^ ( ^,.^^^^^ 

 -4-7.^^-i-etc.)^ feii 



cot. A . ^ 90** :=:: ^ - ,-^ ( i -{- iH-l -f-iV + etc. ) 

 " TP? (i-i-|«-f-5*H-Ti« 4- etc. ) 



- ^fcii^-^h-^-h-i-i^t -4- etc.) 



-.■S^(iH-|*-v-i*-hm H-etc. ) 

 etc. 

 Additis autem terminis primis erit 



4,01. A . ^ ^O jji^ zn—m ' -g ^n-f-nt • tq 



- il^. I (|-t-^-i-T'.4-5V4-etc.) 



- ^4- ^ ( I* -M» H- 15. H- A*-f etc.) 



"" ns^ ' i» ( ^* 4- 55 -H 15 j -j- s j»-h etc.) 

 etc. 

 At tam (erierum loco fummis liibftituendis , quam loco q 



Yalore debito , obtinebitur 



m ^ , n 



-£m-o,3i8309885i837 



-,■^.0,31830988^1837 



~- .0, 2052888894145 



— -^r .0,0065510747882 



— ^^. 0,0003450292554 



— ^.0,0000202791060 

 — ^ .0,0000012366527 



