π |
2 |
π |
2 |
π |
2 |
1 |
2 |
π |
6 |
1-cos(2x+2α) |
2 |
1-cos(2x-2α) |
2 |
1-cos2x |
2 |
1-cos2x(2cos2α-1) |
2 |
1-cos(-2x)(2cos2α-1) |
2 |
1-cos2x(2cos2α-1) |
2 |
π |
2 |
1-cos2x(2cos2α-1) |
2 |
1-cos2(
| ||
2 |
1-cos2x(2cos2α-1) |
2 |
1+cos2x(2cos2α-1) |
2 |
1 |
2 |
π |
6 |
A.y=lg(x+
| B.y=5-x+5x | C.y=lg
| D.y=
|
2x |
4x+1 |
1 |
3 |
1 |
8 |
A.(0,
| B.(2,+∞) | C.(
| D.[0,
|
1 |
a |
1 |
x |
© 2017-2019 超级试练试题库,All Rights Reserved.