π |
4 |
π |
4 |
A.
| B.
| C.1 | D.0 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
| ||
2+
|
2 |
π |
4 |
2 |
| ||
2 |
| ||
2 |
A.f(sin2)>f(sin1) | B.f(sin2)>f(cos2) |
C.f(sin1)>f(cos1) | D.f(cos1)>f(sin2) |
1 |
2 |
A.a<b<c | B.c<a<b | C.c<b<a | D.b<c<a |
A.x>2 | B.x<-2或0<x<2 |
C.-2<x<0 | D.x<-2或x>0 |
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