π |
12 |
π |
12 |
2tan150° |
1-tan2150° |
1 |
sin10° |
| ||
cos10° |
1 |
2 |
π |
6 |
1 |
4 |
1 |
2 |
1 |
4 |
3 |
4 |
3 |
cos10°-
| ||
sin10°cos10° |
2cos(60°+10°) | ||
|
2cos70° | ||
|
2cos70° | ||
|
2 |
3 |
x |
2 |
| ||
sin170°-
|
cotα-cosα |
cotαcosα |
cotαcosα |
cotα+cosα |
1 |
tanα |
m |
n |
m |
n |
| ||
5 |
| ||
10 |
A.
| B.
| C.
| D.
|
A.
| B.-
| C.
| D.0 |
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