292

Appendix.

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Reſolutio triangulorum rectilineorum ope Tab. I. et II. peragenda. R eſt ſinus 900, cuius logarithmus= 10.

In triangule rectilineo rectangulo

Dantur Quaeritur Aequatio- Hypotenuſa H H— V(42+ B*) Angulus oppofitus RA B R Catheti AB Nd 2720 Atus V a tang. a=; vel cot. 4=— — CGathetus alter B B— V((H-= 4)(I 4) Hypotenuſa et— Ra RA cathetus H A Angulus oppoſitus a— 4— 4ʃ vel adjac. ˙ lateri A V ab fn. a 21 et cof. 5 Hypotenuſa et Cathetus oppoſitus 4 H. fin- a, H. coſ. a angulus Ha et adjacens B AnI A= 5 R4 R A Cathetus et 445 Hypotenuſa V 34 ſin. a coſ. b ang alus 4 B A cot. a A tang. b Cathetus alter V B 5= N

In triangulo rectilineo obliqusngulo, ubi latera 48 C, et anguli oppoſiti litreris abe deſignentur.

Dantur Quaeritur Praeparatio. Aequatio. RZPGPO A 5 coſ. 14 26 2. vel 5 angulus oppo- a =4 BE cſüt. latei 4A 2(4A+ P4 C)= lin. 14= h E— 8 2 78 8—— area trianguli Q 2.=V IPGP 4)—— 2. 1 12 412 Eſin. 2⁵ latus tertium 0= V’ re B) 2 8— 2 5 a(44— B) tang. 7 32 A Bec ſangulus maior et ³½(180— c)=m ſtang. 2= 4+³ 6 1 1 22 t et muOt 6 5 a=m+un, et b=m— 8 A H ſin. c 8˙5 area 2 2— a 55 latus oppoſit.—. 15.2 angulo a 4 ſin.(a † b) — 3 a4 b C— 8 1 a ſin. a ſin. 5 2 2 3 85 2les 2. R ſin.(a+ 5) — 85 B ſin.(aà+–. 5b) latus terrium[ 4 fin. 2 ſin. 5 S fe ene ſin. 4= 18 2 angulus com-— 188— 2A4Bb preh. 188(4-*5) 3[2 390 f 4 2B 4 ün. 5 angulus alter 4 ſin. a=—— — 2 oppoſit. alias indetermi- B 08— natum 8 zrea 2 08= 4 fin.(à+ 5) 8— R —— — 6)/44 ſa e, 42, 4, 5— W 4t)(4‿l⸗s 9(Ate 4)( LreaA))=„VA44) 8 4) . ſj. Aarfer 72 f. J. 464

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