2 |
5 |
π |
4 |
1 |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
tan(α+β)-tan(β-
| ||
1+tan(α-β)tan(β-
|
| ||||
1+
|
3 |
22 |
4 |
5 |
12 |
13 |
1+2sinαcosα |
cos2α-sin2α |
1+tanα |
1-tanα |
1-sin6x-cos6x |
1-sin4x-cos4x |
3 |
2 |
1 |
2 |
| ||
2 |
A.sin(
| B.sin(
| C.sin(
| D.sin(
|
3 |
π |
2 |
1+tan150 |
1-tan150 |
© 2017-2019 超级试练试题库,All Rights Reserved.