同上楼朋友提议,若分装分母颠倒两结论不一致哟.解析:1.y=3/5sin(3x-6/π)(x∈R)因正弦函数的递增区间是(-π/2+2kπ,π/2+2kπ)(k∈N)则:-π/2+2kπ≦3x-6/π≦π/2+2kπ解得:(-π/2+6/π)/3+2kπ≦x≦(π/2+6/π)/...