3 |
3 |
1 |
2 |
| ||
2 |
π |
3 |
π |
3 |
a |
2 |
3 |
π |
3 |
π |
3 |
| ||
2 |
π |
3 |
| ||
2 |
a |
2 |
a |
2 |
| ||
2 |
3 |
3 |
3 |
3 |
3 |
3 |
α-β |
2 |
α+β |
2 |
3 |
α+β |
2 |
α-β |
2 |
α+β |
2 |
α+β |
2 |
| ||
3 |
2tan
| ||
1-tan2
|
3 |
π |
4 |
A.[
| B.[
| ||||||||
C.[0,
| D.[0,
|
A.[-3,-1] | B.[-1,3] | C.[0,3] | D.[-3,0] |
π |
6 |
A.
| B.
| C.
| D.以上都不对 |
p |
q |
3 |
p |
q |
π |
3 |
π |
3 |
π |
3 |
A.3或0 | B.-3或3 | C.0 | D.-3或0 |
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