1 |
5 |
1 |
5 |
π |
2 |
1 |
5 |
1 |
25 |
24 |
25 |
49 |
25 |
7 |
5 |
1 |
5 |
7 |
5 |
3 |
5 |
4 |
5 |
3 |
4 |
3sin2x-2sinxcosx+cos2x |
sin2x+cos2x |
3tan2x-2tanx+1 |
tanx+1 |
67 |
25 |
2cos2α+1 |
3sin2α+2 |
π |
2 |
3 |
5 |
5 |
13 |
1 |
5 |
m-3 |
m+5 |
4-2m |
m+5 |
π |
2 |
A..-
| B..
| ||||
C..-
| D..与m的值有关 |
3 |
5 |
1 |
3 |
π |
4 |
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