π |
6 |
π |
4 |
π |
4 |
π |
6 |
| ||
2 |
1 |
2 |
3 |
| ||
2 |
1-cos2x |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
π |
6 |
1 |
2 |
2π |
2 |
π |
4 |
π |
4 |
2π |
3 |
π |
6 |
π |
3 |
π |
3 |
| ||
2 |
3 |
2 |
3 |
2 |
3 |
2 |
π |
6 |
π |
2 |
A.1 | B.2 | C.4 | D.8 |
a |
x |
2 |
1 |
2 |
b |
| ||
2 |
x |
2 |
a |
b |
α |
3 |
β |
α |
β |
3 |
π |
2 |
π |
6 |
π |
3 |
BC |
AB |
A.y=cos4x | B.y=sin2x | C.y=sin
| D.y=cos
|
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