根据T=2π/ω得T=2π/1=2π∵sin(X)的单调增区间是(-π/2,π/2),单调减区间是(π/2,π)∴原函数的单调增区间是(-5/6π,π/6),单调减区间是（π/6,3/2π)根据y=Asin(ωx+φ)A=5∴最大值为5，最小值为-5
