4sinα-2cosα |
5cosα+3sinα |
4sinα-2cosα |
5cosα+3sinα |
4tanα-2 |
5+3tanα |
5 |
7 |
sin2α+2sinαcosα+cos2α |
sin2α+cos2α |
tan2α+2tanα+1 |
tan2α+1 |
8 |
5 |
π |
4 |
sin2α•cos(α+π)-sin(α-π) | ||||
sin(2a+
|
sinα+cosα |
sinα-cosα |
π |
2 |
4sinα-2cosα |
5cosα+3sinα |
3 |
2 |
4 |
5 |
π |
4 |
A.7 | B.
| C.-
| D.-7 |
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