π |
2 |
2 |
2 |
2 |
2 |
T |
4 |
2π |
T |
π |
8 |
2 |
π |
8 |
2 |
2 |
2 |
π |
8 |
π |
2 |
π |
4 |
π |
2 |
π |
4 |
2 |
π |
8 |
π |
4 |
π |
8 |
π |
4 |
π |
2 |
π |
2 |
π |
8 |
π |
4 |
π |
2 |
3π |
2 |
A.sin2α>2sinα | B.sin2α<2sinα |
C.sin2α=2sinα | D.sin2α≥2sinα |
π |
8 |
π |
24 |
π |
12 |
x |
2 |
π |
4 |
x |
2 |
π |
4 |
A.y=sinx | B.y=-x3 | C.y=(
| D.y=log2(x+3) |
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