OA |
OB |
π |
3 |
OA |
OB |
AB |
OB |
OA |
OB |
OA |
OB |
OA |
OB |
| ||
2 |
OA |
OB |
AB |
OB |
OA |
OB |
OA |
(λcosα) 2+(λsinα) 2 |
OB |
(-sinβ) 2+(cosβ) 2 |
OA |
OB |
OA |
OB |
OA |
OB |
OA |
OB |
| ||
2 |
| ||
2 |
| ||
2 |
π |
6 |
5π |
6 |
AB |
OB |
OA |
OA |
OA |
OB |
OB |
OA |
OB |
OA |
OB |
AB |
AB |
OB |
|
科目:高中數(shù)學(xué) 來源: 題型:
OA |
OB |
1 |
2 |
AB |
A、(-2,3) |
B、(2,-3) |
C、(2,3) |
D、(-2,-3) |
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科目:高中數(shù)學(xué) 來源: 題型:
OA |
OB |
OC |
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科目:高中數(shù)學(xué) 來源: 題型:
OA |
OB |
AC |
5 |
2 |
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科目:高中數(shù)學(xué) 來源: 題型:
OA |
OB |
OC |
OA |
AC |
OB |
OC |
A、(1,-3) |
B、(-1,3) |
C、(6,-2) |
D、(-6,2) |
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科目:高中數(shù)學(xué) 來源: 題型:
OA |
OB |
OC |
a |
b |
a |
b |
a |
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