设-π＜=x＜=π求函数y=sin^2x+2sinxcosx+3cos^2x的最大值和最小值的详细解答

设函数 f(x)=sin(2x+y),(-π 设-π＜=x＜=π求函数y=sin^2x+2sinxcosx+3cos^2x的最大值和最小值的详细解答 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. 设sin（x^2+y）=x,求隐函数y的微积分dy 设x∈(0,π/2),求函数y=(2sin^2x+1)/sin2x的最小值 设x属于(0,π/2),求函数y=(2sin²x+1)÷(sin2x)的最小值 设x∈R,求函数y=2sinx+sin[(5π/2)-x]的最小值 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f x=SIN(2X+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π