. .
29/04/2014
: 1 ..
(13): 1
: (115
4
35
9
21
3
47
10
(3).
cosx (2 =2
5x ]0;] . sinx tgx. (1.5)
)cos ; : (311
2 (3) (
: (4
(4)
(1.5: ) (5
(7 ):2
: IR (1 = 1
2 =
2
2 (2) .
[ (2 2;] : = (1.5).3
[ (3 ;] : 1 ;
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