求y=2sin(2x+π/6),x∈（0,5π/6）的最大值和最小值及对应的x的集合

y=2sin(2x+π/6）x∈[0,π/2],求值域 求y=sin(2x+π/6)x∈(0,π/3)的值域 已知sinx=3/5,x∈(π/2,π),求【sin(x+y)+sin(x-y)】/【cos（x+y）+cos（x-y）】的值 已知y=sin(2x+π/6) 求值域 y=sin(2x+π/6),x∈[π/4,3π/4]求值域 求函数的值域y=sin(2x+π/3),x∈(-π/6,π) y=sin^2x+sin (π/2-x)+3sin^2(3π/2-x)若tanx=0.5.求y值;若x∈【0,π/2】求y值域 sin(x+y)sin(x-y)=k,求cos^2x-cos^2y 求下列函数周期 y=3sin(x/4) x属于Ry=2sin(2x-π/6) 设x∈[0,π],y∈[0,1],试求函数f(x,y)=(2y-1)sinx+(1-y)sin[(1-y)x]的最小值. y =(cos^2) x - sin (3^x),求y' y=sin平方x+2x求y' 求函数y=2sin(2x+π/6),x∈(-π,0]的单调递减区间 求函数y=sin(2x-π/6)在x∈（0,π/2）上时的值域 求函数y=2sin(2x+π/6),x∈(-π,0]的单调递减区间 求函数y=3-2sin(x+π/6),x∈[0,2π]的值域thankou! 函数y=2sin(π/6-2x)(x∈[0,π])的递增区间是（ ）求详解, f(x)=2sin(2x-π/6) 若x属于【0,π】 求y的单调增区间