sin4x+cos4x+sin2xcos2x |
2-sin2x |
1-cosx | ||
4sin2
|
π |
6 |
π |
2 |
a |
b |
a |
b |
(sin2x+cos2x)2-sin2xcos2x |
2-sin2x |
2sin2
| ||
4sin2
|
1-
| ||
2-sin2x |
1 |
2 |
(1-
| ||||
2(1-
|
1 |
2 |
1 |
4 |
π |
6 |
π |
2 |
π |
3 |
1 |
4 |
1 |
4 |
a |
b |
2 |
| ||
2 |
| ||
2 |
2 |
π |
4 |
π |
4 |
π |
4 |
1 |
4 |
1 |
4 |
π |
2 |
1 |
4 |
π |
2 |
1 |
4 |
13 |
14 |
A.
| B.-
| C.
| D.-
|
sin(α-
| ||||
sin(α-π)+3cos(2π-α) |
3 |
5 |
π |
4 |
π |
2 |
A.
| B.-
| C.
| D.-
|
π |
3 |
| ||
5 |
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