π |
2 |
OA |
OB |
OA |
OB |
π |
2 |
OA |
OB |
OA |
OB |
OA |
OB |
OA |
OB |
(sinθ-1)2+(1+cosθ)2 |
(-1-sinθ)2+(cosθ-1)2 |
π |
4 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
4 |
π |
2 |
π |
2 |
3 |
4 |
a |
a |
m |
n |
m |
n |
A.
| B.
| C.
| D.
|
f1 |
f2 |
f3 |
f4 |
f4 |
A.(-1,-2) | B.(1,-2) | C.(-1,2) | D.(1,2) |
x2 |
a2 |
y2 |
b2 |
OP |
OQ |
OR |
A.(3,4) | B.(4,-3) | C.(
| D.(
|
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