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DEPARTMENT OF COMMERCE
.
U. 5, COAST.ANDGEODETIC SURVEY
ie
Ed. Dec. 192
sg
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TRIANGLE COMPUTATION USING TWO SIDES AND INCLUDED ANGLE
2
.
a
,
[je tan (45° - g
=
=
he
<
—_—-—____
(on
——"
Seo rs
C,
=ot
:
Sph.excess
excese
.
z§
2 =
2 Cp
Reproducetl fram the hold
Log a
VANE
.
Sum= A,
Log 6
ere
Log sph. ex.
,
-
4
Sph. excess
Mo me
:
Diff=B,
=
Cy
;
Log a
coe
Log sin C,
G FF:
.
ro
& Ss Ly
=
Sketchi
Colog sin A,
Log ¢
:
geL RST LOS
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CHECK. COMP TTATION
pase apSS Sear =
No.
Cae
.
a
Z
:
Log sin C,
n
Ce
&
x
Logm
aoe
.
4 (A,— B,)
S
cure
Rk
“2 3
4
.
C,
90°—40,=4(A,- b,
= =
c= "sinA,
=
te
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on
asin C,|*
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