2 |
π |
2 |
sinA |
cosA |
sinB |
cosB |
1 |
sin2A |
2sin2A-1 |
2sinAcosA |
sinB |
cosB |
cos2A |
sin2A |
cos(
| ||
sin(
|
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
2 |
| ||
2 |
π |
2 |
π |
4 |
3π |
4 |
π |
2 |
5π |
12 |
π |
3 |
5π |
12 |
π |
3 |
π |
4 |
π |
4 |
1 |
2 |
sin2α-cos2α |
1+cos2α |
a |
b |
c |
a |
c |
b |
c |
π |
6 |
α-β |
4 |
m |
n |
π |
3 |
3 |
5 |
π |
2 |
α |
2 |
© 2017-2019 超级试练试题库,All Rights Reserved.