问题描述:
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 (x∈[-π/4,π/3])
问题解答:
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