求单调增区间y=cos(3/10 π-2x)+sin(2x+2/10 π) π∈[0,π]
求y=sin(2x+π/3)+cos(2x-π/6)的单调区间
求单调增区间y=cos(3/10 π-2x)+sin(2x+2/10 π) π∈[0,π]
1.求函数y=log1/2cos(x/3+π/4)的单调区间 2.求函数y=sin²x+cosx-4(x∈R)
函数y=sin(x+π/2)cos(x+π/6)的单调递减区间是?
y=2sin^2x-sinxcosx+3cos^2x求最小正周期,单调增区间,在[0,π/2]上的值域
函数y=sin(2x+π/6)-cos(2x+π/3)的单调增区间为
求函数y=2sin(π/3-2x),x∈(0,π)的单调增区间
求函数y=2sin(π/3-x)-cos(π/6=x)(x∈R)的周期,最小值,单调递增区间,对称轴.
求函数y=sin(x/2)+cos(x/2)在(-2π,2π)内的单调递增区间
求函数y=√2sin(2x-π)cos[2(x+π)]的单调区间
求函数y=sin(3x+π/6),x∈[0,π/2]的单调递减区间及函数y=cos(x+π/3)的在[0,2π]上的单调
求函数y=cos^2x-sin^2-√3cos(3π/2+2x)+1的周期,单调减区间和最值