sinβ |
sinα |
tanα |
1+2tan2α |
sinβ |
cosβ |
sinαcos(α+β) |
cosβ |
sinα(cosαcosβ-sinαsinβ) |
cosβ |
sinαcosα |
1+sin2α |
tanα | ||
|
tanα | ||
|
tanα |
1+2tan2α |
1 | ||
|
1 | ||
2
|
1 |
tanα |
| ||
2 |
| ||||
1+2×
|
| ||
4 |
| ||||||||
1-
|
3
| ||
4 |
4 |
3 |
2 |
1 |
5 |
9π |
2 |
A.
| B.-2
| C.-
| D.2
|
3 |
a |
b |
π |
2 |
| ||
10 |
π |
2 |
3 |
AC |
BC |
2sin2α+sin2α |
1+tanα |
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