π |
4 |
| ||
10 |
π |
2 |
π |
4 |
π |
4 |
| ||
10 |
π |
2 |
π |
4 |
π |
2 |
π |
4 |
π |
2 |
π |
4 |
π |
4 |
π |
4 |
| ||
2 |
| ||
10 |
4 |
5 |
π |
2 |
1-(
|
3 |
5 |
π |
4 |
π |
4 |
π |
4 |
| ||
2 |
| ||
2 |
4 |
5 |
3 |
5 |
| ||
10 |
| ||
10 |
π |
2 |
3π |
2 |
AC |
BC |
AC |
BC |
2cos2α+sin2α |
1+cotα |
tan51°+tan9° |
1-tan51°•tan9° |
A.tan42° | B.
| C.
| D.-
|
π |
12 |
π |
12 |
2tan150° |
1-tan2150° |
1 |
sin10° |
| ||
cos10° |
2 |
3 |
x |
2 |
| ||
sin170°-
|
cotα-cosα |
cotαcosα |
cotαcosα |
cotα+cosα |
1 |
tanα |
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