a |
b |
a |
b |
1+2sin2x |
cos2x-sinxcosx |
2 |
π |
4 |
π |
4 |
π |
2 |
π |
8 |
2 |
2π |
2 |
1 |
3 |
1+2sin2x |
cos2x-sinxcosx |
3sin2x+cos2x |
cos2x-sinxcosx |
3tan2x+1 |
1-tanx |
2 | ||
|
ex |
x |
e2 |
8 |
A.有极大值,无极小值 | B.有极小值,无极大值 |
C.既有极大值又有极小值 | D.既无极大值也无极小值 |
π |
2 |
1 |
2an |
c |
a |
2a |
9 |
a |
6 |
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