求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3]) (2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3])(2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1 (x∈[-π/4,π/3])

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/22 22:16:09
求下列函数的值域(1)y=3sin(2x+π/2)-1(x∈[-π/4,π/3])(2)y=(cosx)^2-3cosx+1(3)y=(cosx)^2-2cosx+1求下列函数的值域(1)y=3sin

求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3]) (2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3])(2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1 (x∈[-π/4,π/3])
求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3]) (2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1
求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3])
(2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1 (x∈[-π/4,π/3])

求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3]) (2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1求下列函数的值域 (1)y=3sin(2x+π/2)-1 (x∈[-π/4,π/3])(2)y=(cosx)^2-3cosx+1 (3)y=(cosx)^2-2cosx+1 (x∈[-π/4,π/3])
1.y=-3cos2x-1
-pai/2