AD |
c |
AD |
b |
b |
sinB |
c |
sinC |
c |
sinC |
a |
sinA |
a |
sinA |
b |
sinB |
a |
sinA |
b |
sinB |
c |
sinC |
用关系式 |
求出 |
用关系式 |
求出 |
用关系式 |
求出 |
a |
sinA |
b |
sinB |
c |
sinC |
a |
SinA |
b |
SinB |
b |
SinB |
c |
SinC |
a |
sinA |
b |
sinB |
c |
sinC |
6 |
sin60° |
b |
sin45° |
6 | ||||
|
b | ||||
|
6 |
4 |
3 |
1 |
3 |
3 |
A.10m | B.10
| C.15m | D.5
|
© 2017-2019 超级试练试题库,All Rights Reserved.