π |
3 |
1 |
3 |
C |
2 |
1 |
4 |
π |
3 |
1 |
2 |
| ||
2 |
1-cos2x |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
| ||
2 |
2π |
ω |
C |
2 |
1 |
2 |
| ||
2 |
1 |
4 |
| ||
2 |
π |
3 |
1 |
3 |
2
| ||
3 |
2 |
3 |
2 |
1 |
2 |
1 |
3 |
| ||
2 |
2
| ||||
6 |
AB |
a |
CA |
b |
a |
b |
A.锐角三角形 | B.直角三角形 | C.钝角三角形 | D.不确定 |
A.锐角三角形 | B.直角三角形 | C.钝角三角形 | D.正三角形 |
3 |
π |
3 |
3
| ||
4 |
m |
n |
m |
n |
1-sin2x | ||
1-cos2(
|
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