π |
2 |
a |
α+β |
2 |
α-β |
2 |
b |
α+β |
2 |
α-β |
2 |
2π |
3 |
a |
b |
a |
b |
5 |
2 |
2π |
3 |
a |
π |
3 |
b |
1 |
2 |
π |
3 |
a |
b |
π |
3 |
π |
3 |
π |
3 |
a |
b |
α+β |
2 |
α-β |
2 |
1-cos(α-β) |
2 |
5 |
2 |
3 |
2 |
5 |
2 |
3 |
2 |
1 |
5 |
π |
4 |
sin2α+cos2(π-α) |
1+cos2α |
7 |
13 |
5sinA+4cosA |
15sinA-7cosA |
B+C |
2 |
π |
4 |
π |
4 |
m |
3 |
n |
m |
n |
3 |
3 |
5 |
A.-
| B.
| C.-
| D.
|
© 2017-2019 超级试练试题库,All Rights Reserved.