a |
3 |
b |
a |
b |
a |
b |
cos(
| ||
cos(π-α) |
3 |
3 |
π |
3 |
π |
3 |
11 |
6 |
a |
b |
3 |
| ||
3 |
cos(
| ||
cos(π-α) |
sinα•(-sin2α) |
-cosα |
2tanα |
1+tan2α |
1 |
2 |
a |
b |
a |
b |
a |
b |
a |
b |
A.-5 | B.5 | C.7 | D.-1 |
c |
d |
c |
d |
A.-
| B.
| C.
| D.-
|
a |
b |
a |
b |
AB |
DC |
AB |
AD |
GA |
GB |
CG |
AB |
CA |
a |
b |
m |
2 |
a |
b |
λ |
m |
d1 |
n2 |
d1 |
n2 |
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