cos(C-B) |
sinA+sin(C-B) |
cos(C-B) |
sinA+sin(C-B) |
cos(C-B) |
sin(C+B)+sin(C-B) |
cosCcosB+sinCsinB |
2sinCcosB |
sinB |
cosB |
| ||
3 |
1 |
2 |
| ||
6 |
3 |
| ||
2 |
q |
p |
p |
q |
-2cos2C |
1+tanC |
3 |
π |
6 |
π |
3 |
3 |
2 |
π |
12 |
1 |
2 |
π |
2 |
AC |
BC |
AC |
BC |
2sin2sinα+2sinαcosα |
1-tanα |
© 2017-2019 超级试练试题库,All Rights Reserved.