x2-x-xsinθ+8 |
x-1-sinθ |
A.4
| B.2
| C.1+4
| D.-1+4
|
x2-x-xsinθ+8 |
x-1-sinθ |
x(x-1-sinθ)+8 |
x-1-sinθ |
8 |
x-1-sinθ |
8 |
x-1-sinθ |
(x-1-sinθ)•
|
8 |
x-1-sinθ |
2 |
2 |
2 |
x2-x-xsinθ+8 |
x-1-sinθ |
2 |
1 |
2 |
1 |
2 |
A.
| B.
| C.
| D.
|
4 |
x |
16 |
y |
A.x2+1≥-2x | B.
| ||||||
C.x+
| D.sinx+
|
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