6. 1 (, ) , - . 1-2 1-2 . , . = δ γ δ γ . .
1-2: (α), ( ).
6.2 . 1-2, 2-3, 3-4, 4-1.
. , . 0 360. .
2
α1-2 α2-3
1
3
α 3-4
α4-1
. 7.
0 180, . 180, , 180 (.7).
, , , , . , .
: α = α 180.
, , α 180.
6.3 () () , .
:
= α + γ; = α = δ
δ γ ().
6.4 .
, . , .
|
|
90, , : - , - - , - , - .
() () (α ) 0 90:
r = A ( α).
, = 3050' r = CB: 30 50'.
() 90 180:
r = 180 - A ( α).
, = 14530' r = :34 30'.
() 180 270:
r = A ( α) - 180.
, = 25000'
r = :70 00'.
() 270 360:
r = 360 - A ( α).
, = 31030'
r = :49 30'.
1. .. : .
/ .., .. : , 2007. 84 .
2. .. : / .. . 4- . . .: . ., 2007. 463 .
3. : / .., .., .., .. .: , 2008. 480 .
4. : . / .., .., .. . .: , 1987. 334 .
1
1