sin8x |
8sinx |
sin8x |
8sinx |
8sinxcosxcos2xcos4x |
8sinx |
sin8x |
8sinx |
2cosθ-sin2θ |
2cosθ+sin2θ |
90°-θ |
2 |
a |
3 |
2 |
3 |
2 |
b |
x |
2 |
x |
2 |
π |
2 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
π |
2 |
A.{x|x=2kπ+
| B.{x|x=2kπ+
| ||||
C.{x|x=2kπ±
| D.{x|x=kπ+(-1)K,k∈Z} |
3 |
4 |
© 2017-2019 超级试练试题库,All Rights Reserved.