4 |
3 |
sinα-3cosα |
sinα+cosα |
π |
2 |
π |
2 |
2
| ||
3 |
7 |
9 |
4 |
3 |
sinα-3cosα |
sinα+cosα |
tanα-3 |
tanα+1 |
-
| ||
-
|
π |
2 |
2
| ||
3 |
1-sin2β |
1 |
3 |
π |
2 |
π |
2 |
π |
2 |
3π |
2 |
7 |
9 |
1-sin2(α+β) |
4
| ||
9 |
4
| ||
9 |
1 |
3 |
7 |
9 |
2
| ||
3 |
2
| ||
3 |
4 |
5 |
A.-
| B.-
| C.±
| D.±
|
4sinα-2cosα |
3sinα+5cosα |
a |
1 |
3 |
b |
a |
b |
A.
| B.
| C.
| D.
|
m |
π |
2 |
n |
m |
n |
7 |
5 |
π |
2 |
3π |
2 |
十in2x+2十in2x |
7-d3nx |
3 |
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