π |
6 |
3 |
5 |
π |
3 |
π |
6 |
3 |
5 |
π |
6 |
1-
|
4 |
5 |
π |
6 |
π |
6 |
π |
6 |
π |
6 |
π |
6 |
π |
6 |
3
| ||
10 |
π |
2 |
π |
2 |
π |
3 |
1 |
2 |
| ||
6 |
π |
3 |
1 |
7 |
1 |
2 |
3 |
28 |
3 |
π |
2 |
sin2x(sinx+cosx) |
cosx |
π |
6 |
π |
4 |
π |
2 |
π |
2 |
α |
2 |
1 |
3 |
β |
2 |
2 |
3 |
1+
| ||||
sin(x+
|
3 |
5 |
3 |
m |
π |
6 |
AB |
BC |
AC |
CB |
AC |
AB |
BC |
A.锐角三角形 | B.钝角三角形 |
C.等腰直角三角形 | D.等边三角形 |
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