1 |
4 |
AD |
BC |
AB |
AD |
135 |
64 |
AD |
AD |
BC |
AD |
BC |
AB |
AD |
135 |
64 |
AD |
135 |
64 |
AD |
135 |
64 |
AD |
3
| ||
8 |
1 |
4 |
1 |
2 |
1-cos2A |
| ||
4 |
1 |
2 |
1 |
2 |
3
| ||
8 |
OA |
OB |
OB |
OC |
OC |
OA |
OC |
OA |
OB |
A.m2+n2=1 | B.
| C.mn=1 | D.m+n=1 |
PA |
PB |
PB |
PC |
PC |
PA |
a |
b |
m |
a |
b |
n |
a |
b |
m |
n |
-3ak2+(a2+4)k |
k4+6k2+1 |
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