4-(-2) |
2 |
4+(-2) |
2 |
3 |
4 |
32 |
3 |
2π |
ϖ |
32 |
3 |
3π |
16 |
3π |
16 |
3π |
16 |
9π |
4 |
9π |
4 |
π |
2 |
7π |
4 |
3π |
16 |
π |
4 |
π |
4 |
16 |
3π |
π |
6 |
π |
4 |
π |
3 |
A.y=sin(-2x+
| B.y=sin(-2x-
| ||||
C.y=sin(2x-
| D.y=sin(2x+
|
A.2+2
| B.2-2
| C.0 | D.-1 |
3 |
3 |
5π |
6 |
π |
12 |
A.f(a+
| B.f(a+
| ||||||||
C.f(a+
| D.大小与a、ϕ有关 |
x |
2 |
π |
6 |
2 |
3 |
π |
6 |
π |
6 |
2 |
3 |
π |
2 |
π |
2 |
2 |
3 |
| ||
2 |
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