UF Om ary oe PARTMENT OF COMMERCE TRIANGLE COMPUTATION USING TWO SIDES iND INCLUDED ANGLE a . ae Fe tan (45°+¢) (lallionger nia : Sewee tat. (4, 7 dF tac . bans (AR? B - e yp h, excess . Eph.excess cn O# 27 ws gO n ban 87 Ye frse $ £A,— J3,) PO fy AR 0 vy i732 OF a7. 5 eh O27 2 g we e qegr ott B, On Cg as g / s Co fant paLog 4 a op ey wl mo 3 4 ~ . Log sin (, a. . Log a 7 log b Se PP oY Vai oe Logm ‘ye 27 “2 ' O04— 40p == 4(A,4- Dy) Kasei 4 asin C ane eo eee ho C qn ‘ Ay / ia Og 3&8, ae. “ C. y« * ap! as Syms A, ZI 4 U.S, COAST AND GEODETIC SURVEY Form 665 Ed. Dee. 1929 leet tard Log sph. ex, 78 Sp. excess 1" FEF taal ey } s 4 Wipe pret mes Comp sKeted 27 2. Oc e7 of 2.622 2949S 5 . ~Colog sin Ay a. Log¢ “ C= No. O.FT18 A _ oe 37)% 3.431 169 R69F-.fO fore . tl 2 we 4 EHO a Bege 20 5 Fouad Os Ser ay OS AD Ot CHECK COMPUTATIONS -% oe STATION hd we wen ton wer — ya iN ee ' PEANEAN. ce eee | 3, YSZ 1 C ry 2 22 fo \/ Z A ,3 Ov orgs G. OBL 3 iB 1-3 4) 4 ja 2-3 1-3 S964 6282 (622 3945 Soe PD oe 3 409 (699 ~2 28 39/5 19 63S 32498 1-2 2 : LOGARITHM cee weenie 2-3 - ; . . «@ 7 a ae eat, . cin oY eS yesite 1. FO OO ae ee a lel fomer ern Toute *The subscript» aand tw i 496 2: $ . || : Games hima - — Tae. OecoAe on UBCer ET oon op cort, refer to sprees OFFICIALUSE ONY. MEL att Eee. raed ogil

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