4 |
5 |
1+tan
| ||
1-tan
|
4 |
5 |
1-(-
|
3 |
5 |
-
| ||
-
|
3 |
4 |
2tan
| ||
1-tan2
|
2tan
| ||
1-tan2
|
3 |
4 |
α |
2 |
α |
2 |
α |
2 |
1 |
3 |
3π |
2 |
π |
2 |
α |
2 |
3π |
4 |
π |
2 |
α |
2 |
3π |
4 |
α |
2 |
α |
2 |
α |
2 |
3π |
2 |
α |
2 |
7π |
4 |
α |
2 |
α |
2 |
α |
2 |
α |
2 |
1 |
3 |
α |
2 |
1+tan
| ||
1-tan
|
1-3 |
1-(-3) |
1 |
2 |
1 |
2 |
2 |
3 |
π |
2 |
2 |
3 |
A.y=sin
| B.y=cos
| C.y=sin2x | D.y=cos2
|
1 |
2 |
π |
2 |
π |
2 |
A.-
| B.
| C.
| D.-
|
3 |
2 |
| ||
3 |
A.arcsin(-
| B.2π-arcsin
| ||||||||
C.π+arcsin
| D.π-arcsin
|
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