a |
π |
4 |
π |
4 |
b |
π |
4 |
π |
4 |
a |
b |
a |
b |
7π |
12 |
a |
b |
a |
b |
a |
b |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
7π |
12 |
a |
b |
| ||
2 |
a |
b |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
(cos(x-
|
2+2cos2x |
2-
|
| ||||
2 |
a |
b |
a |
b |
a |
b |
a |
b |
π |
3 |
2π |
3 |
3 |
2 |
k |
2 |
1 |
2 |
|
k |
2 |
1 |
2 |
a |
b |
a |
b |
a |
b |
a |
AB |
AC |
AC |
AD |
AB |
AD |
AB |
BC |
CA |
AB |
BC |
BC |
CA |
CA |
AB |
a |
b |
a |
b |
a |
b |
AB |
BC |
CA |
0 |
a |
b |
a |
b |
a |
c |
b |
c |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
c |
a |
b |
c |
a |
b |
a |
b |
a |
b |
b |
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