(Bee yart
a
JEPARTMEN'T OF COMMERCE
U.S. COAST ABD GEODETIC SURVEY
Folin 665
.
Ec. Dec. 1928
TRIANGLE COMPUTATION USING TWO SIDES AND INCLUDED ANGLE
t
iqestan
(45°+¢)
(Call Jonger ~ i
:
fot
pie x:
‘Sos
A
A.
te ee
ae
po
=
=
Samsun.
bo
te
sin_ A,°|
By,
wee
o
Oe
‘
asin C)1*
ao tan kA, Bp):
Hh. excess
—
ot
p
en
i.
wyr ar 4
ag
Veg.
wet
et
.
am =A,
gf
=By
,
log SIN Cs
3
log a
".
log é
Log sph. ex.
04
49
#2
OR TAT #
|
ox ANT
:
#65 E72 Sph. excess
»
a an
fo
=h34,—B,)
aa
5a?
3
C—}O,>= (.Ap+ Bp)
Log m
op
ae
ET
16 9800
sketch
So Ee el.
a
,
Log a
Log sin C,
olog sin A,
Log.¢
oOo 646
oot. :
GPG
Fs,
b0685
FREY
.
3674
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,
fhe
¢
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»
~A
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CHECK COMPUTATION
==
ES SS
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LOGARITHM
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SPYRR AL NUE
STATION
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BE 7H
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£275
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£408
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OFFICIAL USE ONLY oA
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*The subscripts s and p cn this form refer to sph
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@ & GOVERNMENT PRINTING OFFICE
16483421
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