π |
2 |
3 |
5 |
sin2α+sin2α |
cos2α+cos2α |
5 |
4 |
3 |
5 |
π |
2 |
4 |
5 |
3 |
4 |
sin2α+sin2α |
cos2α+cos2α |
sin2α+2sinα•cosα |
2cos2α-sin2α |
tan2α+2tanα |
2-tan2α |
(
| ||||
2-(
|
33 |
23 |
5 |
4 |
tanα-tan
| ||
1+tanα•tan
|
tanα-1 |
1+tanα |
| ||
1+
|
1 |
7 |
tanα-tan
| ||
1-tanαtan
|
tanα-1 |
1-tanα |
| ||
1-
|
π |
2 |
A.-
| B.-
| C.
| D.
|
1 |
5 |
π |
2 |
cos(
| ||
tan(α+π)cos(-α)tanα |
A.2
| B.-2
| C.-
| D.
|
kπ |
4 |
AB |
AC |
1+sin2α-cos2α |
1+tanα |
1 |
5 |
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