7 |
25 |
π |
2 |
2cos2
| ||||
|
7 |
25 |
cos2θ-sin2θ |
cos2θ+sin2θ |
7 |
25 |
1-tan2θ |
1+tan2θ |
7 |
25 |
3 |
4 |
π |
2 |
3 |
4 |
2cos2
| ||||
|
1+cosθ+sinθ |
cosθ+sinθ |
π |
2 |
3 |
4 |
3 |
5 |
4 |
5 |
2cos2
| ||||
|
1+cosθ+sinθ |
cosθ+sinθ |
1-
| ||||
-
|
a |
3 |
b |
a |
b |
a |
b |
a |
b |
a |
b |
4 |
5 |
π |
4 |
sin2α+sin2α |
cos2α+cos2α |
π |
4 |
π |
4 |
a |
3x |
2 |
3x |
2 |
b |
x |
2 |
x |
2 |
π |
3 |
| ||||
|
|
a |
b |
1 |
2 |
a |
b |
π |
3 |
3 |
5 |
5 |
13 |
© 2017-2019 超级试练试题库,All Rights Reserved.