sin3α-sin2αcosα+cos2αsinα |
cos3α |
A.
| B.
| C.
| D.
|
1 |
3 |
sin3α-sin2αcosα+cos2αsinα |
cos3α |
tan3α-tan2α+tanα |
1 |
1 |
3 |
1 |
3 |
1 |
3 |
7 |
27 |
3 |
5 |
A.-
| B.
| C.±
| D.
|
cosα+sinα |
cosα-sinα |
1+sin4α-cos4α |
1+sin4α+cos4α |
1 |
2 |
π |
2 |
π |
2 |
3 |
4 |
5 |
13 |
sin(
| ||||
tan(π+α)sin(π-α) |
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