17
53 16 26 10 245 45
225 79
7 154 7 2 154;
7 154 7 2 154;
33 2 11991
75
75 +
Trang 23 3
5sin 36 (1 2cos36 ) 0,26811 (1 2cos36 )( 2 cos36 5sin 36 )
p
sin x cos x
Trang 3n 2 3 n
n
nlim S
®¥
n
nlim S
®¥
1x2y3z4 Î
n ¥ *
Trang 460 3 72 103 42 3 0,5215061
-A
D E
F G H
12m
6m
4m
4m
2m