a |
b |
π |
4 |
a |
b |
a |
b |
7 |
2 |
a |
b |
a |
b |
a |
b |
2π |
2ω |
π |
4 |
7 |
2 |
7 |
2 |
π |
2 |
1 |
2 |
π |
4 |
π |
6 |
π |
2 |
π |
6 |
π |
3 |
π |
2 |
π |
6 |
2π |
3 |
π |
3 |
π |
2 |
π |
6 |
1 |
3 |
π |
2 |
π |
6 |
2π |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
A.等腰三角形 | B.直角三角形 |
C.等腰直角三角形 | D.等边三角形 |
BA |
BC |
CA |
BC |
A.直角三角形 | B.等腰三角形 |
C.等腰直角三角形 | D.等边三角形 |
m |
B+C |
2 |
n |
7 |
2 |
m |
n |
3 |
| ||
2 |
1 |
3 |
π |
2 |
π |
2 |
π |
2 |
10 |
13 |
6 |
5 |
cosA-2cosC |
cosB |
2c-a |
b |
sinC |
sinA |
1 |
4 |
© 2017-2019 超级试练试题库,All Rights Reserved.