Appendix. 293
Reſolutio triangulorum ſphaericorum aut angulum rectum aut latus aequale quadranti comprehendentium ope Tab. II. peragenda
IS A
——
8
Similares ſunt duae partes trianguli ſphae- rici, fi vel utraque minor vel utraque maior quadrante.
Diſſimilares autem, una minor altera maior quadrante.
R eſt ſin. 90˙, cuius logarith.= 10.
Dan-[Quae- tur ritur
— —
Quaefitum Quaeſitum
Aequatio.
90, 5 ⁵ 909, 6 A90“, 4— 90“, 6
——
—
ſin. 4 fn. H fin, a: a 90 a 90 a 90 ag 90
4 Ha B tang. B= tang. H ceſ. a: H fmil. a II diff. a H diſſ. a I ſimil. a 5 cot. 5= coſ. H tang. a: REH ſimil. a EH diff. a H diff. a H ſimil. a B Gn. B= fn. H fin. h: R=% 5 90. L.. 90. ,90 58 90 HB A ſtang. 4= tang. H coſ.„. RH Bmil. 5 diſf. 5b. H diff. 5b[HE fimil. 5 a ſcot. a= col. Htang b: RH fmil. 5 H diſfl. 5 H diſſ. b H ſimil. 5 8 doT B= R cof. H: eol. 4 Häm. A Hdif. A H dill. 4 Hfm. ℳ HA a ſfin. a= Ri ſin. A: fin. 90 4 ⸗ 90 4 90 45 90 5 eof. 5= tang. A cot. H: R H ſim. A H diff. A EH diff. A H ſim. A a cof. a= tang. B cot.: R Hfim. B E diff. BH difl. B Hfm. B I B 5 ſün. D== R ſin. B: fi. B 90 B 5. 90 B 909 90 A4 ſcoſ. 4= R cof. El: coſ. B H fim. B H diſſ. B H difſ. B EH ſim. B B ſtang. B= tang. 5 fin. 4: R 5 90 5 90 5 90 5 90 4 5b H ſcot. H= cot. A coſ. b: RAſim. 5 4A diff. 5 A difſ. 5 A ſim. 5 a ſcof. α= coſ. A ſin. 5: R4 90 45 90 4 90 4590 4 tang. A= tang. a fin. B: Ra 90— a.90 a25 96 Ba ſcot. H= cot. B coſ. a: R B Himil. a B diff. a B diſf. a H fimil. a 5 cof. 5 coſ. B fin. a: R B3 90 B 90 B 90 B 90 Hᷣ ſcoſ. H= Bcoſ. A cof. B: R 4 fm. B 4A diff. B difſ. B- Afim. B V 13 a cot.—= cot. A fin. B: R90 4 90 41 90 1˖ N 90 5 cot. 5= cot. B fin. A: ℛ‧B 90 B 90 B 90 B 90 ſcoſ. H= cot. a cot. b: Ra ſimil. 5 a difl. 5 a difſ. 5 a fimil. 5 2 5 4 cof. A= R coſ. a: fin. 5[a= 90 ag† 90 a 90 a 90 B ſcoſ. B= cof. 5 fin. a 5 90 5 90 5 90 5 90 B ſin. B= tang. A cot. a: R — 12 1 I fin. H= R fin. 4: fin. a indeterminatum niſi ſpecies — 5 ſin. 5 R coſ. 4. coOſ⸗ A₰. ——— 4 ſin. A= tang. B cot. 5: R — B 5 ſän.= R fin. B: fin. 5 quaeſiti alias conſtet. 4 a fin. a= R cof. 5: coſ. B 5


