1 |
x•sinθ |
m-1 |
x |
1 |
sinθx2 |
1 |
x |
1 |
x |
1 |
sinθx2 |
1 |
sinθ•x |
π |
2 |
m-1 |
x2 |
1 |
x |
1 |
x2 |
1 |
x |
m |
x2 |
2 |
x |
m |
x2 |
2 |
x |
mx2-2x+m |
x2 |
mx2-2x+m |
x2 |
1 |
m |
A.有最小值9 | B.有最大值9 | C.有最小值-9 | D.有最大值-9 |
A.(1,+∞) | B.(-1,0)∪(1,+∞) | C.(-∞,-1) | D.(-∞,-1)∪(0,1) |
A.在(0,2π)内是增函数 |
B.在(0,2π)内是减函数 |
C.在(0,π)内是增函数,在(π,2π)内是减函数 |
D.在(0,π)内是减函数,在(π,2π)内是增函数 |
g | 2 |
g | 4 |
A.a>b>c | B.c>b>a | C.b>a>c | D.c>a>b |
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