π |
2 |
1 |
5 |
sin2x+2sin2x |
1-tanx |
1 |
5 |
1 |
25 |
24 |
25 |
49 |
25 |
π |
2 |
7 |
5 |
sin2x+2sin2x |
1-tanx |
2sinxcosx+2sin2x | ||
1-
|
2sinxcosx(cosx+sinx) |
cosx-sinx |
24 |
25 |
1 |
5 |
5 |
7 |
24 |
175 |
π |
2 |
π |
2 |
3 |
5 |
5 |
13 |
A.
| B.
| C.
| D.
|
π |
4 |
1 |
3 |
(1-cos2α)cos(
| ||
(1+cos2α)•tan2α |
π |
3 |
π |
6 |
a |
b |
3 |
a |
b |
© 2017-2019 超级试练试题库,All Rights Reserved.