| 3 |
| π |
| 2 |
| 3 |
| π |
| 3 |
∵ω=2,∴f(x)的最小正周期为π;
令2kπ-
| π |
| 2 |
| π |
| 3 |
| π |
| 2 |
| 5π |
| 12 |
| π |
| 12 |
则f(x)单调递增区间为[kπ-
| 5π |
| 12 |
| π |
| 12 |
(Ⅱ)根据题意得:g(x)=2sin[2(x-
| π |
| 12 |
| π |
| 3 |
| π |
| 6 |
∵2x+
| π |
| 6 |
| π |
| 6 |
| 7π |
| 6 |
| π |
| 6 |
则f(x)的最大值为2,最小值为-1.
| 3 |
| π |
| 4 |
| π |
| 4 |
| 5π |
| 2 |
| π |
| 12 |
| π |
| 2 |
| 3 |
| π |
| 2 |
| 3 |
| π |
| 3 |
| π |
| 2 |
| π |
| 3 |
| π |
| 2 |
| 5π |
| 12 |
| π |
| 12 |
| 5π |
| 12 |
| π |
| 12 |
| π |
| 12 |
| π |
| 3 |
| π |
| 6 |
| π |
| 6 |
| π |
| 6 |
| 7π |
| 6 |
| π |
| 6 |